🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 153 (from laksa044)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa153.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.nvisioncenters.com/contacts/daily/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.nvisioncenters.com/contacts/daily/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.nvisioncenters.com\/contacts\/daily\/","crawl_time":1775860804,"first_indexed_time":1550110800,"http_code":200,"src_unparsed":"com,nvisioncenters!www,\/contacts\/daily\/ s443","src_root_hash":"418187919835542153","history_drop_reason":null,"meta_title":"Can you wear daily contacts more than once? (what doctors say)","meta_descriptions":["Depending on the type, you may be able to reuse daily contacts. These contacts have a specific replacement schedulet that you must follow."],"attrs_boilerpipe_text":"Daily contacts should not be worn more than once. Contacts need to be replaced at regular intervals as indicated by your doctor and the manufacturer.\nTable of Contents\nReusing Daily Contacts\nSafety of Using Daily Contacts\nRecommended Contact Replacement\nIssues Related to Extended Wear\nOf the nearly 50 million Americans who wear contact lenses, the\nAmerican Optometric Association\n(AOA) reports that close to half of the adults wearing them use them for longer than the recommended length of time.\nThe\nU.S. Food and Drug Administration\n(FDA) explains that there are several\ntypes of contacts\n, and different forms of daily use contacts may be approved for varying lengths of time. A daily use contact is one that is taken out each night.\nCan You Reuse Daily Contacts\nDepending on the type, you may be able to reuse daily contacts. There are two main forms of daily use contacts: daily disposable and daily reusable contacts that are on a specific replacement schedule.\nDaily disposable contacts\nare not meant to be reused. They are to be discarded each night and replaced with brand new ones the next day.\nDaily reusable contacts\nmay be taken out each night, cleaned and disinfected, and then reused the next day. These contacts have a specific replacement schedule as outlined by the manufacturer and explained by your doctor. Some may need to be replaced weekly, while others may be reusable for up to 30 days.\nYou deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\nYour journey to better vision starts here.\nWearing daily contacts more often than recommended can greatly increase the risk for eye infection and other eye-related issues. It is important to follow your doctor’s instructions when replacing and reusing contacts in order to maintain your eye health.\nThe Safety of Using Daily Contacts More Frequently\nDaily use contacts are designed to be taken out each night and not worn overnight. Some daily use contacts are meant to be discarded after each use (daily disposable contacts), while others can be reused the next day after cleaning and disinfecting them (daily reusable or replacement schedule contacts).\nThe FDA does not approve multi-day use of daily disposable contacts, as these are meant to only be worn once to prevent eye infections. They are not designed for multiple uses. Daily disposable contacts are thinner than other types of contact lenses and therefore will not hold up well for reuse.\nIt is important to follow your doctor’s recommended replacement schedule for daily use of reusable contacts.\nDaily use contacts should never be worn overnight\n.\nDaily reusable contacts may be\nrigid gas-permeable (RGP)\nand usable for up to a year with proper care. Or, they may be soft plastic contact lenses that need to be\nreplaced on a specific schedule\n— usually every week or month, depending on the type and brand.\nReplacing daily contacts can add up financially. It can be tempting to use them for longer than recommended, but doctors advise against this practice. It can lead to many potential problems, which ultimately cost you more money in the long run.\nYou deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\nYour journey to better vision starts here.\nThe Importance of Following Recommended Contact Replacement Schedules\nEach year, there are close to\n1 million doctor visits\nrelated to eye infections caused by\ncontact lenses\n. Many of these visits are due to improper hygiene, such as not washing your hands prior to handling your contacts. A lot of these visits are also due to using daily wear contacts for longer, or more often, than they are intended to be worn.\nManufacturers and doctors set up a contact replacement schedule on purpose, to promote eye health and keep you as safe as possible. Contacts are an effective vision replacement tool and safe when used as directed. When they are used outside of the directed parameters, problems can develop.\nAs reported in the\nCanadian Medical Association Journal\n(\nCMAJ-JAMC\n), people who wore contacts beyond their recommended shelf-life experienced far more eye-related issues than those who stuck to the doctor-recommended replacement schedule. While you may get lucky and not experience a problem right away, the first problem you do experience could be serious. The more you reuse them, the more you put yourself at risk for a significant issue.\nIssues Related to Extended Wear\nReusing daily contacts beyond their recommended schedule can lead to these issues:\nEye infection\nDry eyes\nCorneal ulceration and scarring\nVisual impairment and possible blindness\nThe journal of the American Academy of Optometry,\nOptometry and Vision Science\n, published a study where they looked at daily disposable contact lenses that were saved after one use and stored overnight. The findings showed that 95 percent of users had at least one pair (out of five in the span of a month) of lenses that were contaminated with bacteria such as staphylococci.\nThis study proves that overnight storage of daily use contact lenses can lead to a buildup of bacteria; if placed back in the eye, the bacteria can lead to serious eye infections.\nDaily disposable contacts don’t allow oxygen to travel through to the eye or hold moisture well. This can lead to extreme dry eyes, corneal scarring, and therefore impaired vision, which may even lead to the need for a corneal transplant.\nOne of the most significant potential risks for eye infections caused by improper contact lens use is\nkeratitis\n, which is a bacterial infection that affects the cornea. The cornea is the clear covering in the front of the eye.\nA corneal infection, keratitis, can cause your eyes to become red and\nirritated\n, weep, and hurt. It can lead to\nblurred vision\n, sensitivity to light, and even result in blindness in serious cases.\nMayo Clinic\npublishes that overuse of contact lenses, or using them more often or beyond the recommended length of time, can cause infectious keratitis.\nDaily use contacts can be some of the safest types of contacts, as they are taken out each night to allow proper oxygen flow to the eyes. Daily disposable contacts can reduce the risk for infection greatly by decreasing the potential for bacterial buildup. Daily disposable contacts do not need to be cleaned or disinfected, which can make them more convenient as well.\nMost issues that can arise from contact lenses generally stem from improper hygiene or use. When using contact lenses, follow your doctor’s directions on how often to change and replace them. Clean them properly and change the disinfecting fluid as directed when dealing with reusable daily contacts.\nWash your hands before touching the contacts or your eyes\n, and dispose of the contacts on time.\nResist the urge to stretch use of your contacts beyond their set schedules. This will ensure optimal eye health.\nYou deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\nYour journey to better vision starts here.\nReferences\nComplications of Contact Lenses\n. (May 2021). JAMA Network.\nFacts and Stats\n. (August 2017). American Optometric Association.\nTypes of Contact Lenses\n. (January 2018). U.S. Food and Drug Administration.\nContact Lens-Related Eye Infections\n. (April 2021). American Academy of Ophthalmology.\nHow to Take Care of Contact Lenses\n. (September 2018). American Academy of Ophthalmology.\nHow Safe are Contact Lenses?\n(November 2014).\nThe Guardian\n.\nCalculating Risk in Use of Disposable Contacts\n. (April 2012).\nCMAJ-JAMC\n.\nContamination Risk of Reusing Daily Disposable Contact Lenses\n. (December 2011).\nOptometry and Vision Science\n.\nKeratitis\n. (November 2018). Mayo Clinic.\nWhen You Wear Contacts Every Day, This Is What Happens to Your Eyes\n. (March 2021). The List.\nRare Eye Infection, Vision Loss Result From Wearing Contacts While Showering\n. (July 2019).\nThe Washington Post\n.\nThis content is for informational purposes only. It may have been reviewed by a licensed physician, but is not intended to serve as a substitute for professional medical advice. Always consult your healthcare provider with any health concerns. For more, read our\nPrivacy Policy\nand\nEditorial Policy\n.","attrs_markdown":"NVISION Centers\n\n## Find an NVISION Location Near You\n\n[Hurry, 6 days left: Book now for \\$1,000 off LASIK\\* + Enjoy Easy and Fast LASIK Financing\\*\\*](https:\/\/www.nvisioncenters.com\/lasik-special\/)\n\n[Book Now](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#book-form)\n\nOpen mobile navigation\n\n[NVISION Centers](https:\/\/www.nvisioncenters.com\/)\n\n[Call](tel:877-455-9942)\n\nNVISION Centers\n\n- [About](https:\/\/www.nvisioncenters.com\/about-us\/)\n  - [About Us](https:\/\/www.nvisioncenters.com\/about-us\/)\n  - [Our Surgeons](https:\/\/www.nvisioncenters.com\/our-surgeons\/)\n    - [LASIK\/Refractive Surgeons](https:\/\/www.nvisioncenters.com\/lasik-surgeons\/)\n    - [Cataract Surgeons](https:\/\/www.nvisioncenters.com\/cataract-surgeons\/)\n    - [Find an Eye Surgeon Near You](https:\/\/www.nvisioncenters.com\/contacts\/daily\/)\n  - [Our History](https:\/\/www.nvisioncenters.com\/history\/)\n  - 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[Cataract Surgery Technology](https:\/\/www.nvisioncenters.com\/why-nvision\/our-technology\/)\n  - [Your Intraocular Lens (IOL) Options](https:\/\/www.nvisioncenters.com\/iol\/)\n  - [What to Expect with Cataract Surgery](https:\/\/www.nvisioncenters.com\/cataract-surgery\/what-to-expect-with-cataract-surgery\/)\n  - [FAQs About Cataracts](https:\/\/www.nvisioncenters.com\/about-us\/faqs\/#cataract\/)\n- [Glaucoma](https:\/\/www.nvisioncenters.com\/conditions\/glaucoma\/)\n  - [Diagnosed with Glaucoma?](https:\/\/www.nvisioncenters.com\/glaucoma\/)\n  - [iDose® TR for Glaucoma](https:\/\/www.nvisioncenters.com\/procedures\/idose-tr-glaucoma\/)\n  - [Glaucoma Surgery](https:\/\/www.nvisioncenters.com\/glaucoma\/surgery-and-costs\/)\n  - [Open-Angle Glaucoma](https:\/\/www.nvisioncenters.com\/glaucoma\/open-angle\/)\n  - [Narrow-Angle Glaucoma](https:\/\/www.nvisioncenters.com\/glaucoma\/narrow-angle\/)\n  - [Early Signs of Glaucoma](https:\/\/www.nvisioncenters.com\/glaucoma\/early-signs\/)\n  - [FAQs About Glaucoma](https:\/\/www.nvisioncenters.com\/about-us\/faqs\/#glaucoma\/)\n- [Eye Care](https:\/\/www.nvisioncenters.com\/conditions\/)\n  - [Dry Eye Treatment](https:\/\/www.nvisioncenters.com\/procedures\/dry-eye\/)\n  - [Corneal Cross Linking](https:\/\/www.nvisioncenters.com\/procedures\/corneal-cross-linking\/)\n  - [Retina Treatment](https:\/\/www.nvisioncenters.com\/procedures\/retina-specialists\/)\n  - [Cosmetic Eye Treatments](https:\/\/www.nvisioncenters.com\/procedures\/cosmetic-treatments\/)\n  - [Vision Exams & Diagnostics](https:\/\/www.nvisioncenters.com\/procedures\/comprehensive-ophthalmology\/)\n  - [Common Vision Problems We Treat](https:\/\/www.nvisioncenters.com\/conditions\/)\n    - [Nearsightedness](https:\/\/www.nvisioncenters.com\/nearsightedness\/)\n    - [Farsightedness](https:\/\/www.nvisioncenters.com\/farsightedness\/)\n    - [Astigmatism](https:\/\/www.nvisioncenters.com\/conditions\/astigmatism\/)\n    - [Cataracts](https:\/\/www.nvisioncenters.com\/cataracts\/)\n    - [Dry Eye Disease](https:\/\/www.nvisioncenters.com\/dry-eyes\/)\n    - [Glaucoma](https:\/\/www.nvisioncenters.com\/conditions\/glaucoma\/)\n    - [Presbyopia (Age-Related Farsightedness)](https:\/\/www.nvisioncenters.com\/conditions\/presbyopia\/)\n    - [Macular Degeneration](https:\/\/www.nvisioncenters.com\/conditions\/macular-degeneration\/)\n    - [Retinopathy](https:\/\/www.nvisioncenters.com\/retinopathy\/)\n- [Patient Resources](https:\/\/www.nvisioncenters.com\/education\/)\n  - [Vision Education Center](https:\/\/www.nvisioncenters.com\/education\/)\n  - [Peer-Reviewed Research](https:\/\/www.nvisioncenters.com\/studies\/)\n  - [Insurance & Financing](https:\/\/www.nvisioncenters.com\/why-nvision\/financing\/)\n  - [Frequently Asked Questions](https:\/\/www.nvisioncenters.com\/about-us\/faqs\/)\n  - [NVISION® Lifetime Commitment](https:\/\/www.nvisioncenters.com\/why-nvision\/vision-for-life\/)\n  - [Patient Experience](https:\/\/www.nvisioncenters.com\/why-nvision\/patient-experience\/)\n  - [Contact Us](https:\/\/www.nvisioncenters.com\/about-us\/contact-us\/)\n  - [Request a Callback](https:\/\/www.nvisioncenters.com\/contacts\/daily\/)\n  - [Find a Location Near You](https:\/\/www.nvisioncenters.com\/contacts\/daily\/)\n\n[![](data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)](https:\/\/www.nvisioncenters.com\/contacts\/daily\/)\n\n[Hurry, 6 days left: Book now for \\$1,000 off LASIK\\* + Enjoy Easy and Fast LASIK Financing\\*\\* Claim Your Discount](https:\/\/www.nvisioncenters.com\/lasik-special\/)\n\nNVISION Centers\n\n## Find an NVISION Location Near You\n\nSources\n\n[11 sources cited](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#references)\n\nFurther Reading\n\n- [Are Halloween Costume Contact Lenses Safe? What You Need to Know](https:\/\/www.nvisioncenters.com\/contacts\/are-halloween-contact-lenses-safe\/)\n- [Deciding Between Contacts & Glasses](https:\/\/www.nvisioncenters.com\/contacts\/vs-glasses\/)\n- [The Best Contact Lenses in 2020](https:\/\/www.nvisioncenters.com\/contacts\/best-lenses\/)\n- [How Long Do Contacts Last?](https:\/\/www.nvisioncenters.com\/contacts\/how-long-last\/)\n- [Costs in 2020](https:\/\/www.nvisioncenters.com\/contacts\/costs\/)\n- [How to Overcome Contact Problems](https:\/\/www.nvisioncenters.com\/contacts\/burning-and-irritation\/)\n- [Blurry Vision From Contacts](https:\/\/www.nvisioncenters.com\/contacts\/blurry-problems\/)\n- [Contacts for Astigmatism](https:\/\/www.nvisioncenters.com\/contacts\/contacts-astigmatism\/)\n\n[![Book Your LASIK Consultation with NVISION Eye Centers Today](data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)](https:\/\/www.nvisioncenters.com\/book-an-appointment\/)\n\n[Book a Consultation](https:\/\/www.nvisioncenters.com\/book-an-appointment\/)    [Find a Location Near You](https:\/\/www.nvisioncenters.com\/locations\/#map)\n\n# Can Daily Contacts Be Worn More Than Once? (What Doctors Say)\n[Home](https:\/\/www.nvisioncenters.com\/) \/ [Understanding Contacts](https:\/\/www.nvisioncenters.com\/contacts\/) \/ Daily Contacts W\n\nLast Updated: August 1, 2024\n\nSources\n\n[11 sources cited](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#references)\n\nDaily contacts should not be worn more than once. Contacts need to be replaced at regular intervals as indicated by your doctor and the manufacturer.\n\n## Table of Contents\n- [Reusing Daily Contacts](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#reuse)\n- [Safety of Using Daily Contacts](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#safety)\n- [Recommended Contact Replacement](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#recommended)\n- [Issues Related to Extended Wear](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#issues)\n\nOf the nearly 50 million Americans who wear contact lenses, the [American Optometric Association](https:\/\/www.aoa.org\/healthy-eyes\/vision-and-vision-correction\/contact-lens-care?sso=y) (AOA) reports that close to half of the adults wearing them use them for longer than the recommended length of time.\n\nThe [U.S. Food and Drug Administration](https:\/\/www.fda.gov\/medicaldevices\/productsandmedicalprocedures\/homehealthandconsumer\/consumerproducts\/contactlenses\/ucm062319.htm) (FDA) explains that there are several [types of contacts](https:\/\/www.nvisioncenters.com\/contacts\/best-lenses\/), and different forms of daily use contacts may be approved for varying lengths of time. A daily use contact is one that is taken out each night.\n\n## Can You Reuse Daily Contacts\nDepending on the type, you may be able to reuse daily contacts. There are two main forms of daily use contacts: daily disposable and daily reusable contacts that are on a specific replacement schedule.\n\n- **Daily disposable contacts** are not meant to be reused. They are to be discarded each night and replaced with brand new ones the next day.\n- **Daily reusable contacts** may be taken out each night, cleaned and disinfected, and then reused the next day. These contacts have a specific replacement schedule as outlined by the manufacturer and explained by your doctor. Some may need to be replaced weekly, while others may be reusable for up to 30 days.\n\n#### You deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\n\n**Your journey to better vision starts here.**\n\n[Book a Consultation Now](https:\/\/www.nvisioncenters.com\/book-an-appointment\/)[Find a Location](https:\/\/www.nvisioncenters.com\/locations#map)\n\nWearing daily contacts more often than recommended can greatly increase the risk for eye infection and other eye-related issues. It is important to follow your doctor’s instructions when replacing and reusing contacts in order to maintain your eye health.\n\n![Close-up Of Young Man Holding Contact Lens On Finger](data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)\n\n## The Safety of Using Daily Contacts More Frequently\nDaily use contacts are designed to be taken out each night and not worn overnight. Some daily use contacts are meant to be discarded after each use (daily disposable contacts), while others can be reused the next day after cleaning and disinfecting them (daily reusable or replacement schedule contacts).\n\nThe FDA does not approve multi-day use of daily disposable contacts, as these are meant to only be worn once to prevent eye infections. They are not designed for multiple uses. Daily disposable contacts are thinner than other types of contact lenses and therefore will not hold up well for reuse.\n\nIt is important to follow your doctor’s recommended replacement schedule for daily use of reusable contacts. [Daily use contacts should never be worn overnight](https:\/\/www.nvisioncenters.com\/contacts\/sleep-with\/).\n\nDaily reusable contacts may be [rigid gas-permeable (RGP)](https:\/\/www.nvisioncenters.com\/contacts\/rgp-hard\/) and usable for up to a year with proper care. Or, they may be soft plastic contact lenses that need to be [replaced on a specific schedule](https:\/\/www.nvisioncenters.com\/contacts\/how-long-last\/) — usually every week or month, depending on the type and brand.\n\nReplacing daily contacts can add up financially. It can be tempting to use them for longer than recommended, but doctors advise against this practice. It can lead to many potential problems, which ultimately cost you more money in the long run.\n\n#### You deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\n\n**Your journey to better vision starts here.**\n\n[Book a Consultation Now](https:\/\/www.nvisioncenters.com\/book-an-appointment\/)[Find a Location](https:\/\/www.nvisioncenters.com\/locations#map)\n## The Importance of Following Recommended Contact Replacement Schedules\nEach year, there are close to [1 million doctor visits](https:\/\/www.theguardian.com\/lifeandstyle\/2014\/nov\/23\/how-safe-are-contact-lenses) related to eye infections caused by [contact lenses](https:\/\/www.nvisioncenters.com\/contacts\/). Many of these visits are due to improper hygiene, such as not washing your hands prior to handling your contacts. A lot of these visits are also due to using daily wear contacts for longer, or more often, than they are intended to be worn.\n\nManufacturers and doctors set up a contact replacement schedule on purpose, to promote eye health and keep you as safe as possible. Contacts are an effective vision replacement tool and safe when used as directed. When they are used outside of the directed parameters, problems can develop.\n\nAs reported in the *Canadian Medical Association Journal* ([CMAJ-JAMC](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3314054\/)), people who wore contacts beyond their recommended shelf-life experienced far more eye-related issues than those who stuck to the doctor-recommended replacement schedule. While you may get lucky and not experience a problem right away, the first problem you do experience could be serious. The more you reuse them, the more you put yourself at risk for a significant issue.\n\n## Issues Related to Extended Wear\nReusing daily contacts beyond their recommended schedule can lead to these issues:\n\n- Eye infection\n- Dry eyes\n- Corneal ulceration and scarring\n- Visual impairment and possible blindness\n\nThe journal of the American Academy of Optometry, [*Optometry and Vision Science*](https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22041587), published a study where they looked at daily disposable contact lenses that were saved after one use and stored overnight. The findings showed that 95 percent of users had at least one pair (out of five in the span of a month) of lenses that were contaminated with bacteria such as staphylococci.\n\n![Woman with glasses suffering from eyestrain after long hours working on computer](data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)\n\nThis study proves that overnight storage of daily use contact lenses can lead to a buildup of bacteria; if placed back in the eye, the bacteria can lead to serious eye infections.\n\nDaily disposable contacts don’t allow oxygen to travel through to the eye or hold moisture well. This can lead to extreme dry eyes, corneal scarring, and therefore impaired vision, which may even lead to the need for a corneal transplant.\n\nOne of the most significant potential risks for eye infections caused by improper contact lens use is [keratitis](https:\/\/www.nvisioncenters.com\/contacts\/acanthamoeba-keratitis\/), which is a bacterial infection that affects the cornea. The cornea is the clear covering in the front of the eye.\n\nA corneal infection, keratitis, can cause your eyes to become red and [irritated](https:\/\/www.nvisioncenters.com\/contacts\/burning-and-irritation\/), weep, and hurt. It can lead to [blurred vision](https:\/\/www.nvisioncenters.com\/contacts\/blurry-problems\/), sensitivity to light, and even result in blindness in serious cases. [Mayo Clinic](https:\/\/www.mayoclinic.org\/diseases-conditions\/keratitis\/symptoms-causes\/syc-20374110) publishes that overuse of contact lenses, or using them more often or beyond the recommended length of time, can cause infectious keratitis.\n\nDaily use contacts can be some of the safest types of contacts, as they are taken out each night to allow proper oxygen flow to the eyes. Daily disposable contacts can reduce the risk for infection greatly by decreasing the potential for bacterial buildup. Daily disposable contacts do not need to be cleaned or disinfected, which can make them more convenient as well.\n\nMost issues that can arise from contact lenses generally stem from improper hygiene or use. When using contact lenses, follow your doctor’s directions on how often to change and replace them. Clean them properly and change the disinfecting fluid as directed when dealing with reusable daily contacts. [Wash your hands before touching the contacts or your eyes](https:\/\/www.nvisioncenters.com\/contacts\/put-in\/), and dispose of the contacts on time.\n\nResist the urge to stretch use of your contacts beyond their set schedules. This will ensure optimal eye health.\n\n#### You deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\n\n**Your journey to better vision starts here.**\n\n[Book a Consultation Now](https:\/\/www.nvisioncenters.com\/book-an-appointment\/)[Find a Location](https:\/\/www.nvisioncenters.com\/locations#map)\n\n## References\n1. [Complications of Contact Lenses](https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2779826). (May 2021). JAMA Network.\n2. [Facts and Stats](https:\/\/www.aoa.org\/healthy-eyes\/vision-and-vision-correction\/contact-lens-care?sso=y). (August 2017). American Optometric Association.\n3. [Types of Contact Lenses](https:\/\/www.fda.gov\/medicaldevices\/productsandmedicalprocedures\/homehealthandconsumer\/consumerproducts\/contactlenses\/ucm062319.htm). (January 2018). U.S. Food and Drug Administration.\n4. [Contact Lens-Related Eye Infections](https:\/\/www.aao.org\/eye-health\/diseases\/contact-lens-related-eye-infections). (April 2021). American Academy of Ophthalmology.\n5. [How to Take Care of Contact Lenses](https:\/\/www.aao.org\/eye-health\/glasses-contacts\/contact-lens-care). (September 2018). American Academy of Ophthalmology.\n6. [How Safe are Contact Lenses?](https:\/\/www.theguardian.com\/lifeandstyle\/2014\/nov\/23\/how-safe-are-contact-lenses) (November 2014). *The Guardian*.\n7. [Calculating Risk in Use of Disposable Contacts](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3314054\/). (April 2012). *CMAJ-JAMC*.\n8. [Contamination Risk of Reusing Daily Disposable Contact Lenses](https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22041587). (December 2011). *Optometry and Vision Science*.\n9. [Keratitis](https:\/\/www.mayoclinic.org\/diseases-conditions\/keratitis\/symptoms-causes\/syc-20374110). (November 2018). Mayo Clinic.\n10. [When You Wear Contacts Every Day, This Is What Happens to Your Eyes](https:\/\/www.thelist.com\/367679\/when-you-wear-contacts-every-day-this-is-what-happens-to-your-eyes\/). (March 2021). The List.\n11. [Rare Eye Infection, Vision Loss Result From Wearing Contacts While Showering](https:\/\/www.washingtonpost.com\/health\/rare-eye-infection-vision-loss-result-from-wearing-contacts-while-showering\/2019\/07\/26\/b939e3e8-aca8-11e9-8e77-03b30bc29f64_story.html). (July 2019). *The Washington Post*.\n\nThis content is for informational purposes only. It may have been reviewed by a licensed physician, but is not intended to serve as a substitute for professional medical advice. Always consult your healthcare provider with any health concerns. For more, read our [Privacy Policy](https:\/\/www.nvisioncenters.com\/privacy-policy\/) and [Editorial Policy](https:\/\/www.nvisioncenters.com\/about-us\/editorial-policy\/).\n\nFurther Reading\n\n- [Are Halloween Costume Contact Lenses Safe? What You Need to Know](https:\/\/www.nvisioncenters.com\/contacts\/are-halloween-contact-lenses-safe\/)\n- [Deciding Between Contacts & Glasses](https:\/\/www.nvisioncenters.com\/contacts\/vs-glasses\/)\n- [The Best Contact Lenses in 2020](https:\/\/www.nvisioncenters.com\/contacts\/best-lenses\/)\n- [How Long Do Contacts Last?](https:\/\/www.nvisioncenters.com\/contacts\/how-long-last\/)\n- [Costs in 2020](https:\/\/www.nvisioncenters.com\/contacts\/costs\/)\n- [How to Overcome Contact Problems](https:\/\/www.nvisioncenters.com\/contacts\/burning-and-irritation\/)\n- [Blurry Vision From Contacts](https:\/\/www.nvisioncenters.com\/contacts\/blurry-problems\/)\n- [Contacts for Astigmatism](https:\/\/www.nvisioncenters.com\/contacts\/contacts-astigmatism\/)\n\n## Ask ![](https:\/\/www.nvisioncenters.com\/wp-content\/themes\/nvision-v2\/ui\/page\/templates\/img\/at-a-glance.webp)\nYour vision correction questions, answered instantly\n\nLASIK Surgery\n\nLASIK Alternatives\n\nCataract Surgery\n\nFind NVISION Locations\n\nLASIK Cost & Financing\n\nThinking...\n\n[Call us today! 877-455-9942](tel:877-455-9942)\n\n[NVISION Centers](https:\/\/www.nvisioncenters.com\/)\n\nAbout\n\n- [About NVISION](https:\/\/www.nvisioncenters.com\/about-us\/)\n- [Our Team](https:\/\/www.nvisioncenters.com\/why-nvision\/our-team\/)\n- [Giving and Volunteerism](https:\/\/www.nvisioncenters.com\/about-us\/global-giving\/)\n- [Executive Leadership](https:\/\/www.nvisioncenters.com\/about-us\/executive-leadership\/)\n- [Clinical Trials](https:\/\/www.nvisioncenters.com\/clinical-trials\/)\n- [Sitemap](https:\/\/www.nvisioncenters.com\/sitemap\/)\n\nLegal & Privacy\n\n- [HIPAA & Privacy](https:\/\/www.nvisioncenters.com\/hipaa-privacy-notice\/)\n- [Know Your Rights](https:\/\/www.eeoc.gov\/poster\/)\n- [CA – Open Payment](https:\/\/www.nvisioncenters.com\/open-payments\/)\n- [No Surprises Billing](https:\/\/www.nvisioncenters.com\/your-rights-and-protections-against-surprise-medical-bills\/)\n- [Privacy Policy](https:\/\/www.nvisioncenters.com\/privacy-policy\/)\n- [Terms & Conditions](https:\/\/www.nvisioncenters.com\/terms-and-conditions\/)\n- [Editorial Policy](https:\/\/www.nvisioncenters.com\/about-us\/editorial-policy\/)\n- [CA – Privacy](https:\/\/www.nvisioncenters.com\/wp-content\/uploads\/CCPA-CPRA-Notice-at-Collection-Applicant-Employees-01.01.2023.pdf)\n\nFor Patients\n\n- [Patient Portal](https:\/\/www.nextmd.com\/ud2\/Login\/Login.aspx)\n- [Patient Experience](https:\/\/www.nvisioncenters.com\/why-nvision\/patient-experience\/)\n- [Lifetime Commitment](https:\/\/www.nvisioncenters.com\/why-nvision\/vision-for-life\/)\n- [Financing](https:\/\/www.nvisioncenters.com\/why-nvision\/financing\/)\n- [FAQs](https:\/\/www.nvisioncenters.com\/about-us\/faqs\/)\n\nFor Optometrists\n\n- [Become an NVISION® Center](https:\/\/www.nvisioncenters.com\/about-us\/become-an-nvision-center\/)\n- [NVISION® Co-Management](https:\/\/www.nvisioncenters.com\/optometrists\/co-management\/)\n- [Optometrist Events](https:\/\/www.nvisioncenters.com\/optometrists\/od-events\/)\n- [Electronic Referral Form](https:\/\/www.nvisioncenters.com\/od-electronic-referral-consult-form\/)\n- [Referring Providers Portal](https:\/\/portal.nvisioncenters.com\/)\n\nGet In Touch\n\n- [Careers](https:\/\/www.nvisioncenters.com\/about-us\/career-opportunities\/)\n- [Contact Us](https:\/\/www.nvisioncenters.com\/about-us\/contact-us\/)\n\n[Visit us on Facebook](https:\/\/www.facebook.com\/NVISIONEyeCenters\/)\n\n[Visit us on Instagram](https:\/\/www.instagram.com\/nvision.eye.centers\/)\n\n[Visit us on Twitter](https:\/\/twitter.com\/nvisioncenters)\n\n[Visit us on LinkedIn](https:\/\/www.linkedin.com\/company\/nvisioncenters\/)\n\n[![NVISION Eye Centers is an Accredited Better Business Bureau A+ Business](data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)](https:\/\/www.bbb.org\/us\/ca\/aliso-viejo\/profile\/ophthalmologist\/nvision-eye-centers-1126-1000086914\/#sealclick)\n\n© 2026 NVISION Eye Centers\n\n\\*Surgeon varies and not all locations participate in this discount program or VSP member discounts. All LASIK savings offers are valid only on bladeless custom LASIK based off the LASIK procedure book price. Qualified patients must book their procedure by 03\/31\/2026. Offer cannot be combined with any other discounts or special offers, previous surgery, insurance, or vision care plan savings. Please speak with your NVISION Eye Center for additional details.\n\n\\*\\*Subject to credit approval. See https:\/\/www.nvisioncenters.com\/why-nvision\/financing\/ for details.\n\n‡No interest will be charged on the promo purchase if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo purchase from the purchase date. The required minimum monthly payments may or may not pay off the promo purchase before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. For new accounts: Purchase APR (interest rate) is 32.99%. Penalty APR is 39.99%. Minimum Interest Charge is \\$2. APR(s) are accurate as of 05\/30\/2024. Existing cardholders: See your credit card agreement terms. Subject to credit approval.\n\nNVISION Cares About Your Privacy\n\nWe use technologies like cookies to store and\/or access device information. Consenting to these technologies allows us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent may adversely affect certain features and functions.\n\nFunctional\n\nFunctional\n\nAlways active\n\nThe technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.\n\nPreferences\n\nPreferences\n\nThe technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.\n\nStatistics\n\nStatistics\n\nThe technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.\n\nMarketing\n\nMarketing\n\nThe technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.\n\n[Manage options](https:\/\/www.nvisioncenters.com\/contacts\/daily\/) [Manage services](https:\/\/www.nvisioncenters.com\/contacts\/daily\/) [Manage {vendor\\_count} vendors](https:\/\/www.nvisioncenters.com\/contacts\/daily\/) [Read more about these purposes](https:\/\/cookiedatabase.org\/tcf\/purposes\/)\n\nAccept\n\nDeny\n\nView preferences\n\nSave preferences\n\n[View preferences](https:\/\/www.nvisioncenters.com\/contacts\/daily\/)\n\n[{title}](https:\/\/www.nvisioncenters.com\/contacts\/daily\/) [{title}](https:\/\/www.nvisioncenters.com\/contacts\/daily\/) [{title}](https:\/\/www.nvisioncenters.com\/contacts\/daily\/)\n\nManage consent\n\nAsk NVISION AI\n\n↑","attrs_readable_markdown":"Daily contacts should not be worn more than once. Contacts need to be replaced at regular intervals as indicated by your doctor and the manufacturer.\n\n## Table of Contents\n- [Reusing Daily Contacts](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#reuse)\n- [Safety of Using Daily Contacts](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#safety)\n- [Recommended Contact Replacement](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#recommended)\n- [Issues Related to Extended Wear](https:\/\/www.nvisioncenters.com\/contacts\/daily\/#issues)\n\nOf the nearly 50 million Americans who wear contact lenses, the [American Optometric Association](https:\/\/www.aoa.org\/healthy-eyes\/vision-and-vision-correction\/contact-lens-care?sso=y) (AOA) reports that close to half of the adults wearing them use them for longer than the recommended length of time.\n\nThe [U.S. Food and Drug Administration](https:\/\/www.fda.gov\/medicaldevices\/productsandmedicalprocedures\/homehealthandconsumer\/consumerproducts\/contactlenses\/ucm062319.htm) (FDA) explains that there are several [types of contacts](https:\/\/www.nvisioncenters.com\/contacts\/best-lenses\/), and different forms of daily use contacts may be approved for varying lengths of time. A daily use contact is one that is taken out each night.\n\n## Can You Reuse Daily Contacts\nDepending on the type, you may be able to reuse daily contacts. There are two main forms of daily use contacts: daily disposable and daily reusable contacts that are on a specific replacement schedule.\n\n- **Daily disposable contacts** are not meant to be reused. They are to be discarded each night and replaced with brand new ones the next day.\n- **Daily reusable contacts** may be taken out each night, cleaned and disinfected, and then reused the next day. These contacts have a specific replacement schedule as outlined by the manufacturer and explained by your doctor. Some may need to be replaced weekly, while others may be reusable for up to 30 days.\n\n#### You deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\n\n**Your journey to better vision starts here.**\n\nWearing daily contacts more often than recommended can greatly increase the risk for eye infection and other eye-related issues. It is important to follow your doctor’s instructions when replacing and reusing contacts in order to maintain your eye health.\n\n![Close-up Of Young Man Holding Contact Lens On Finger](https:\/\/www.nvisioncenters.com\/wp-content\/uploads\/close-up-contact-lense-on-finger-704x369.jpg)\n\n## The Safety of Using Daily Contacts More Frequently\nDaily use contacts are designed to be taken out each night and not worn overnight. Some daily use contacts are meant to be discarded after each use (daily disposable contacts), while others can be reused the next day after cleaning and disinfecting them (daily reusable or replacement schedule contacts).\n\nThe FDA does not approve multi-day use of daily disposable contacts, as these are meant to only be worn once to prevent eye infections. They are not designed for multiple uses. Daily disposable contacts are thinner than other types of contact lenses and therefore will not hold up well for reuse.\n\nIt is important to follow your doctor’s recommended replacement schedule for daily use of reusable contacts. [Daily use contacts should never be worn overnight](https:\/\/www.nvisioncenters.com\/contacts\/sleep-with\/).\n\nDaily reusable contacts may be [rigid gas-permeable (RGP)](https:\/\/www.nvisioncenters.com\/contacts\/rgp-hard\/) and usable for up to a year with proper care. Or, they may be soft plastic contact lenses that need to be [replaced on a specific schedule](https:\/\/www.nvisioncenters.com\/contacts\/how-long-last\/) — usually every week or month, depending on the type and brand.\n\nReplacing daily contacts can add up financially. It can be tempting to use them for longer than recommended, but doctors advise against this practice. It can lead to many potential problems, which ultimately cost you more money in the long run.\n\n#### You deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\n\n**Your journey to better vision starts here.**\n## The Importance of Following Recommended Contact Replacement Schedules\nEach year, there are close to [1 million doctor visits](https:\/\/www.theguardian.com\/lifeandstyle\/2014\/nov\/23\/how-safe-are-contact-lenses) related to eye infections caused by [contact lenses](https:\/\/www.nvisioncenters.com\/contacts\/). Many of these visits are due to improper hygiene, such as not washing your hands prior to handling your contacts. A lot of these visits are also due to using daily wear contacts for longer, or more often, than they are intended to be worn.\n\nManufacturers and doctors set up a contact replacement schedule on purpose, to promote eye health and keep you as safe as possible. Contacts are an effective vision replacement tool and safe when used as directed. When they are used outside of the directed parameters, problems can develop.\n\nAs reported in the *Canadian Medical Association Journal* ([CMAJ-JAMC](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3314054\/)), people who wore contacts beyond their recommended shelf-life experienced far more eye-related issues than those who stuck to the doctor-recommended replacement schedule. While you may get lucky and not experience a problem right away, the first problem you do experience could be serious. The more you reuse them, the more you put yourself at risk for a significant issue.\n\n## Issues Related to Extended Wear\nReusing daily contacts beyond their recommended schedule can lead to these issues:\n\n- Eye infection\n- Dry eyes\n- Corneal ulceration and scarring\n- Visual impairment and possible blindness\n\nThe journal of the American Academy of Optometry, [*Optometry and Vision Science*](https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22041587), published a study where they looked at daily disposable contact lenses that were saved after one use and stored overnight. The findings showed that 95 percent of users had at least one pair (out of five in the span of a month) of lenses that were contaminated with bacteria such as staphylococci.\n\n![Woman with glasses suffering from eyestrain after long hours working on computer](https:\/\/www.nvisioncenters.com\/wp-content\/uploads\/woman-at-desk-with-headache-1.jpg)\n\nThis study proves that overnight storage of daily use contact lenses can lead to a buildup of bacteria; if placed back in the eye, the bacteria can lead to serious eye infections.\n\nDaily disposable contacts don’t allow oxygen to travel through to the eye or hold moisture well. This can lead to extreme dry eyes, corneal scarring, and therefore impaired vision, which may even lead to the need for a corneal transplant.\n\nOne of the most significant potential risks for eye infections caused by improper contact lens use is [keratitis](https:\/\/www.nvisioncenters.com\/contacts\/acanthamoeba-keratitis\/), which is a bacterial infection that affects the cornea. The cornea is the clear covering in the front of the eye.\n\nA corneal infection, keratitis, can cause your eyes to become red and [irritated](https:\/\/www.nvisioncenters.com\/contacts\/burning-and-irritation\/), weep, and hurt. It can lead to [blurred vision](https:\/\/www.nvisioncenters.com\/contacts\/blurry-problems\/), sensitivity to light, and even result in blindness in serious cases. [Mayo Clinic](https:\/\/www.mayoclinic.org\/diseases-conditions\/keratitis\/symptoms-causes\/syc-20374110) publishes that overuse of contact lenses, or using them more often or beyond the recommended length of time, can cause infectious keratitis.\n\nDaily use contacts can be some of the safest types of contacts, as they are taken out each night to allow proper oxygen flow to the eyes. Daily disposable contacts can reduce the risk for infection greatly by decreasing the potential for bacterial buildup. Daily disposable contacts do not need to be cleaned or disinfected, which can make them more convenient as well.\n\nMost issues that can arise from contact lenses generally stem from improper hygiene or use. When using contact lenses, follow your doctor’s directions on how often to change and replace them. Clean them properly and change the disinfecting fluid as directed when dealing with reusable daily contacts. [Wash your hands before touching the contacts or your eyes](https:\/\/www.nvisioncenters.com\/contacts\/put-in\/), and dispose of the contacts on time.\n\nResist the urge to stretch use of your contacts beyond their set schedules. This will ensure optimal eye health.\n\n#### You deserve clear vision. We can help.\nWith 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust.\n\n**Your journey to better vision starts here.**\n\n## References\n1. [Complications of Contact Lenses](https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2779826). (May 2021). JAMA Network.\n2. [Facts and Stats](https:\/\/www.aoa.org\/healthy-eyes\/vision-and-vision-correction\/contact-lens-care?sso=y). (August 2017). American Optometric Association.\n3. [Types of Contact Lenses](https:\/\/www.fda.gov\/medicaldevices\/productsandmedicalprocedures\/homehealthandconsumer\/consumerproducts\/contactlenses\/ucm062319.htm). (January 2018). U.S. Food and Drug Administration.\n4. [Contact Lens-Related Eye Infections](https:\/\/www.aao.org\/eye-health\/diseases\/contact-lens-related-eye-infections). (April 2021). American Academy of Ophthalmology.\n5. [How to Take Care of Contact Lenses](https:\/\/www.aao.org\/eye-health\/glasses-contacts\/contact-lens-care). (September 2018). American Academy of Ophthalmology.\n6. [How Safe are Contact Lenses?](https:\/\/www.theguardian.com\/lifeandstyle\/2014\/nov\/23\/how-safe-are-contact-lenses) (November 2014). *The Guardian*.\n7. [Calculating Risk in Use of Disposable Contacts](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3314054\/). (April 2012). *CMAJ-JAMC*.\n8. [Contamination Risk of Reusing Daily Disposable Contact Lenses](https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22041587). (December 2011). *Optometry and Vision Science*.\n9. [Keratitis](https:\/\/www.mayoclinic.org\/diseases-conditions\/keratitis\/symptoms-causes\/syc-20374110). (November 2018). Mayo Clinic.\n10. [When You Wear Contacts Every Day, This Is What Happens to Your Eyes](https:\/\/www.thelist.com\/367679\/when-you-wear-contacts-every-day-this-is-what-happens-to-your-eyes\/). (March 2021). The List.\n11. [Rare Eye Infection, Vision Loss Result From Wearing Contacts While Showering](https:\/\/www.washingtonpost.com\/health\/rare-eye-infection-vision-loss-result-from-wearing-contacts-while-showering\/2019\/07\/26\/b939e3e8-aca8-11e9-8e77-03b30bc29f64_story.html). (July 2019). *The Washington Post*.\n\nThis content is for informational purposes only. It may have been reviewed by a licensed physician, but is not intended to serve as a substitute for professional medical advice. Always consult your healthcare provider with any health concerns. For more, read our [Privacy Policy](https:\/\/www.nvisioncenters.com\/privacy-policy\/) and [Editorial Policy](https:\/\/www.nvisioncenters.com\/about-us\/editorial-policy\/).","meta_canonical":null}

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Meta Title	Can you wear daily contacts more than once? (what doctors say)
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Boilerpipe Text	Daily contacts should not be worn more than once. Contacts need to be replaced at regular intervals as indicated by your doctor and the manufacturer. Table of Contents Reusing Daily Contacts Safety of Using Daily Contacts Recommended Contact Replacement Issues Related to Extended Wear Of the nearly 50 million Americans who wear contact lenses, the American Optometric Association (AOA) reports that close to half of the adults wearing them use them for longer than the recommended length of time. The U.S. Food and Drug Administration (FDA) explains that there are several types of contacts , and different forms of daily use contacts may be approved for varying lengths of time. A daily use contact is one that is taken out each night. Can You Reuse Daily Contacts Depending on the type, you may be able to reuse daily contacts. There are two main forms of daily use contacts: daily disposable and daily reusable contacts that are on a specific replacement schedule. Daily disposable contacts are not meant to be reused. They are to be discarded each night and replaced with brand new ones the next day. Daily reusable contacts may be taken out each night, cleaned and disinfected, and then reused the next day. These contacts have a specific replacement schedule as outlined by the manufacturer and explained by your doctor. Some may need to be replaced weekly, while others may be reusable for up to 30 days. You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. Wearing daily contacts more often than recommended can greatly increase the risk for eye infection and other eye-related issues. It is important to follow your doctor’s instructions when replacing and reusing contacts in order to maintain your eye health. The Safety of Using Daily Contacts More Frequently Daily use contacts are designed to be taken out each night and not worn overnight. Some daily use contacts are meant to be discarded after each use (daily disposable contacts), while others can be reused the next day after cleaning and disinfecting them (daily reusable or replacement schedule contacts). The FDA does not approve multi-day use of daily disposable contacts, as these are meant to only be worn once to prevent eye infections. They are not designed for multiple uses. Daily disposable contacts are thinner than other types of contact lenses and therefore will not hold up well for reuse. It is important to follow your doctor’s recommended replacement schedule for daily use of reusable contacts. Daily use contacts should never be worn overnight . Daily reusable contacts may be rigid gas-permeable (RGP) and usable for up to a year with proper care. Or, they may be soft plastic contact lenses that need to be replaced on a specific schedule — usually every week or month, depending on the type and brand. Replacing daily contacts can add up financially. It can be tempting to use them for longer than recommended, but doctors advise against this practice. It can lead to many potential problems, which ultimately cost you more money in the long run. You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. The Importance of Following Recommended Contact Replacement Schedules Each year, there are close to 1 million doctor visits related to eye infections caused by contact lenses . Many of these visits are due to improper hygiene, such as not washing your hands prior to handling your contacts. A lot of these visits are also due to using daily wear contacts for longer, or more often, than they are intended to be worn. Manufacturers and doctors set up a contact replacement schedule on purpose, to promote eye health and keep you as safe as possible. Contacts are an effective vision replacement tool and safe when used as directed. When they are used outside of the directed parameters, problems can develop. As reported in the Canadian Medical Association Journal ( CMAJ-JAMC ), people who wore contacts beyond their recommended shelf-life experienced far more eye-related issues than those who stuck to the doctor-recommended replacement schedule. While you may get lucky and not experience a problem right away, the first problem you do experience could be serious. The more you reuse them, the more you put yourself at risk for a significant issue. Issues Related to Extended Wear Reusing daily contacts beyond their recommended schedule can lead to these issues: Eye infection Dry eyes Corneal ulceration and scarring Visual impairment and possible blindness The journal of the American Academy of Optometry, Optometry and Vision Science , published a study where they looked at daily disposable contact lenses that were saved after one use and stored overnight. The findings showed that 95 percent of users had at least one pair (out of five in the span of a month) of lenses that were contaminated with bacteria such as staphylococci. This study proves that overnight storage of daily use contact lenses can lead to a buildup of bacteria; if placed back in the eye, the bacteria can lead to serious eye infections. Daily disposable contacts don’t allow oxygen to travel through to the eye or hold moisture well. This can lead to extreme dry eyes, corneal scarring, and therefore impaired vision, which may even lead to the need for a corneal transplant. One of the most significant potential risks for eye infections caused by improper contact lens use is keratitis , which is a bacterial infection that affects the cornea. The cornea is the clear covering in the front of the eye. A corneal infection, keratitis, can cause your eyes to become red and irritated , weep, and hurt. It can lead to blurred vision , sensitivity to light, and even result in blindness in serious cases. Mayo Clinic publishes that overuse of contact lenses, or using them more often or beyond the recommended length of time, can cause infectious keratitis. Daily use contacts can be some of the safest types of contacts, as they are taken out each night to allow proper oxygen flow to the eyes. Daily disposable contacts can reduce the risk for infection greatly by decreasing the potential for bacterial buildup. Daily disposable contacts do not need to be cleaned or disinfected, which can make them more convenient as well. Most issues that can arise from contact lenses generally stem from improper hygiene or use. When using contact lenses, follow your doctor’s directions on how often to change and replace them. Clean them properly and change the disinfecting fluid as directed when dealing with reusable daily contacts. Wash your hands before touching the contacts or your eyes , and dispose of the contacts on time. Resist the urge to stretch use of your contacts beyond their set schedules. This will ensure optimal eye health. You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. References Complications of Contact Lenses . (May 2021). JAMA Network. Facts and Stats . (August 2017). American Optometric Association. Types of Contact Lenses . (January 2018). U.S. Food and Drug Administration. Contact Lens-Related Eye Infections . (April 2021). American Academy of Ophthalmology. How to Take Care of Contact Lenses . (September 2018). American Academy of Ophthalmology. How Safe are Contact Lenses? (November 2014). The Guardian . Calculating Risk in Use of Disposable Contacts . (April 2012). CMAJ-JAMC . Contamination Risk of Reusing Daily Disposable Contact Lenses . (December 2011). Optometry and Vision Science . Keratitis . (November 2018). Mayo Clinic. When You Wear Contacts Every Day, This Is What Happens to Your Eyes . (March 2021). The List. Rare Eye Infection, Vision Loss Result From Wearing Contacts While Showering . (July 2019). The Washington Post . This content is for informational purposes only. It may have been reviewed by a licensed physician, but is not intended to serve as a substitute for professional medical advice. Always consult your healthcare provider with any health concerns. For more, read our Privacy Policy and Editorial Policy .
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[Insurance & Financing](https://www.nvisioncenters.com/why-nvision/financing/) - [Frequently Asked Questions](https://www.nvisioncenters.com/about-us/faqs/) - [NVISION® Lifetime Commitment](https://www.nvisioncenters.com/why-nvision/vision-for-life/) - [Patient Experience](https://www.nvisioncenters.com/why-nvision/patient-experience/) - [Contact Us](https://www.nvisioncenters.com/about-us/contact-us/) - [Request a Callback](https://www.nvisioncenters.com/contacts/daily/) - [Find a Location Near You](https://www.nvisioncenters.com/contacts/daily/) [![](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)](https://www.nvisioncenters.com/contacts/daily/) [Hurry, 6 days left: Book now for \$1,000 off LASIK\* + Enjoy Easy and Fast LASIK Financing\\ Claim Your Discount](https://www.nvisioncenters.com/lasik-special/) NVISION Centers ## Find an NVISION Location Near You Sources [11 sources cited](https://www.nvisioncenters.com/contacts/daily/#references) Further Reading - [Are Halloween Costume Contact Lenses Safe? What You Need to Know](https://www.nvisioncenters.com/contacts/are-halloween-contact-lenses-safe/) - [Deciding Between Contacts & Glasses](https://www.nvisioncenters.com/contacts/vs-glasses/) - [The Best Contact Lenses in 2020](https://www.nvisioncenters.com/contacts/best-lenses/) - [How Long Do Contacts Last?](https://www.nvisioncenters.com/contacts/how-long-last/) - [Costs in 2020](https://www.nvisioncenters.com/contacts/costs/) - [How to Overcome Contact Problems](https://www.nvisioncenters.com/contacts/burning-and-irritation/) - [Blurry Vision From Contacts](https://www.nvisioncenters.com/contacts/blurry-problems/) - [Contacts for Astigmatism](https://www.nvisioncenters.com/contacts/contacts-astigmatism/) [![Book Your LASIK Consultation with NVISION Eye Centers Today](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)](https://www.nvisioncenters.com/book-an-appointment/) [Book a Consultation](https://www.nvisioncenters.com/book-an-appointment/) [Find a Location Near You](https://www.nvisioncenters.com/locations/#map) # Can Daily Contacts Be Worn More Than Once? (What Doctors Say) [Home](https://www.nvisioncenters.com/) / [Understanding Contacts](https://www.nvisioncenters.com/contacts/) / Daily Contacts W Last Updated: August 1, 2024 Sources [11 sources cited](https://www.nvisioncenters.com/contacts/daily/#references) Daily contacts should not be worn more than once. Contacts need to be replaced at regular intervals as indicated by your doctor and the manufacturer. ## Table of Contents - [Reusing Daily Contacts](https://www.nvisioncenters.com/contacts/daily/#reuse) - [Safety of Using Daily Contacts](https://www.nvisioncenters.com/contacts/daily/#safety) - [Recommended Contact Replacement](https://www.nvisioncenters.com/contacts/daily/#recommended) - [Issues Related to Extended Wear](https://www.nvisioncenters.com/contacts/daily/#issues) Of the nearly 50 million Americans who wear contact lenses, the [American Optometric Association](https://www.aoa.org/healthy-eyes/vision-and-vision-correction/contact-lens-care?sso=y) (AOA) reports that close to half of the adults wearing them use them for longer than the recommended length of time. The [U.S. Food and Drug Administration](https://www.fda.gov/medicaldevices/productsandmedicalprocedures/homehealthandconsumer/consumerproducts/contactlenses/ucm062319.htm) (FDA) explains that there are several [types of contacts](https://www.nvisioncenters.com/contacts/best-lenses/), and different forms of daily use contacts may be approved for varying lengths of time. A daily use contact is one that is taken out each night. ## Can You Reuse Daily Contacts Depending on the type, you may be able to reuse daily contacts. There are two main forms of daily use contacts: daily disposable and daily reusable contacts that are on a specific replacement schedule. - Daily disposable contacts are not meant to be reused. They are to be discarded each night and replaced with brand new ones the next day. - Daily reusable contacts may be taken out each night, cleaned and disinfected, and then reused the next day. These contacts have a specific replacement schedule as outlined by the manufacturer and explained by your doctor. Some may need to be replaced weekly, while others may be reusable for up to 30 days. #### You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. [Book a Consultation Now](https://www.nvisioncenters.com/book-an-appointment/)[Find a Location](https://www.nvisioncenters.com/locations#map) Wearing daily contacts more often than recommended can greatly increase the risk for eye infection and other eye-related issues. It is important to follow your doctor’s instructions when replacing and reusing contacts in order to maintain your eye health. ![Close-up Of Young Man Holding Contact Lens On Finger](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==) ## The Safety of Using Daily Contacts More Frequently Daily use contacts are designed to be taken out each night and not worn overnight. Some daily use contacts are meant to be discarded after each use (daily disposable contacts), while others can be reused the next day after cleaning and disinfecting them (daily reusable or replacement schedule contacts). The FDA does not approve multi-day use of daily disposable contacts, as these are meant to only be worn once to prevent eye infections. They are not designed for multiple uses. Daily disposable contacts are thinner than other types of contact lenses and therefore will not hold up well for reuse. It is important to follow your doctor’s recommended replacement schedule for daily use of reusable contacts. [Daily use contacts should never be worn overnight](https://www.nvisioncenters.com/contacts/sleep-with/). Daily reusable contacts may be [rigid gas-permeable (RGP)](https://www.nvisioncenters.com/contacts/rgp-hard/) and usable for up to a year with proper care. Or, they may be soft plastic contact lenses that need to be [replaced on a specific schedule](https://www.nvisioncenters.com/contacts/how-long-last/) — usually every week or month, depending on the type and brand. Replacing daily contacts can add up financially. It can be tempting to use them for longer than recommended, but doctors advise against this practice. It can lead to many potential problems, which ultimately cost you more money in the long run. #### You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. [Book a Consultation Now](https://www.nvisioncenters.com/book-an-appointment/)[Find a Location](https://www.nvisioncenters.com/locations#map) ## The Importance of Following Recommended Contact Replacement Schedules Each year, there are close to [1 million doctor visits](https://www.theguardian.com/lifeandstyle/2014/nov/23/how-safe-are-contact-lenses) related to eye infections caused by [contact lenses](https://www.nvisioncenters.com/contacts/). Many of these visits are due to improper hygiene, such as not washing your hands prior to handling your contacts. A lot of these visits are also due to using daily wear contacts for longer, or more often, than they are intended to be worn. Manufacturers and doctors set up a contact replacement schedule on purpose, to promote eye health and keep you as safe as possible. Contacts are an effective vision replacement tool and safe when used as directed. When they are used outside of the directed parameters, problems can develop. As reported in the Canadian Medical Association Journal ([CMAJ-JAMC](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3314054/)), people who wore contacts beyond their recommended shelf-life experienced far more eye-related issues than those who stuck to the doctor-recommended replacement schedule. While you may get lucky and not experience a problem right away, the first problem you do experience could be serious. The more you reuse them, the more you put yourself at risk for a significant issue. ## Issues Related to Extended Wear Reusing daily contacts beyond their recommended schedule can lead to these issues: - Eye infection - Dry eyes - Corneal ulceration and scarring - Visual impairment and possible blindness The journal of the American Academy of Optometry, [Optometry and Vision Science](https://www.ncbi.nlm.nih.gov/pubmed/22041587), published a study where they looked at daily disposable contact lenses that were saved after one use and stored overnight. The findings showed that 95 percent of users had at least one pair (out of five in the span of a month) of lenses that were contaminated with bacteria such as staphylococci. ![Woman with glasses suffering from eyestrain after long hours working on computer](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==) This study proves that overnight storage of daily use contact lenses can lead to a buildup of bacteria; if placed back in the eye, the bacteria can lead to serious eye infections. Daily disposable contacts don’t allow oxygen to travel through to the eye or hold moisture well. This can lead to extreme dry eyes, corneal scarring, and therefore impaired vision, which may even lead to the need for a corneal transplant. One of the most significant potential risks for eye infections caused by improper contact lens use is [keratitis](https://www.nvisioncenters.com/contacts/acanthamoeba-keratitis/), which is a bacterial infection that affects the cornea. The cornea is the clear covering in the front of the eye. A corneal infection, keratitis, can cause your eyes to become red and [irritated](https://www.nvisioncenters.com/contacts/burning-and-irritation/), weep, and hurt. It can lead to [blurred vision](https://www.nvisioncenters.com/contacts/blurry-problems/), sensitivity to light, and even result in blindness in serious cases. [Mayo Clinic](https://www.mayoclinic.org/diseases-conditions/keratitis/symptoms-causes/syc-20374110) publishes that overuse of contact lenses, or using them more often or beyond the recommended length of time, can cause infectious keratitis. Daily use contacts can be some of the safest types of contacts, as they are taken out each night to allow proper oxygen flow to the eyes. Daily disposable contacts can reduce the risk for infection greatly by decreasing the potential for bacterial buildup. Daily disposable contacts do not need to be cleaned or disinfected, which can make them more convenient as well. Most issues that can arise from contact lenses generally stem from improper hygiene or use. When using contact lenses, follow your doctor’s directions on how often to change and replace them. Clean them properly and change the disinfecting fluid as directed when dealing with reusable daily contacts. [Wash your hands before touching the contacts or your eyes](https://www.nvisioncenters.com/contacts/put-in/), and dispose of the contacts on time. Resist the urge to stretch use of your contacts beyond their set schedules. This will ensure optimal eye health. #### You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. [Book a Consultation Now](https://www.nvisioncenters.com/book-an-appointment/)[Find a Location](https://www.nvisioncenters.com/locations#map) ## References 1. [Complications of Contact Lenses](https://jamanetwork.com/journals/jama/fullarticle/2779826). (May 2021). JAMA Network. 2. [Facts and Stats](https://www.aoa.org/healthy-eyes/vision-and-vision-correction/contact-lens-care?sso=y). (August 2017). American Optometric Association. 3. [Types of Contact Lenses](https://www.fda.gov/medicaldevices/productsandmedicalprocedures/homehealthandconsumer/consumerproducts/contactlenses/ucm062319.htm). (January 2018). U.S. Food and Drug Administration. 4. [Contact Lens-Related Eye Infections](https://www.aao.org/eye-health/diseases/contact-lens-related-eye-infections). (April 2021). American Academy of Ophthalmology. 5. [How to Take Care of Contact Lenses](https://www.aao.org/eye-health/glasses-contacts/contact-lens-care). (September 2018). American Academy of Ophthalmology. 6. [How Safe are Contact Lenses?](https://www.theguardian.com/lifeandstyle/2014/nov/23/how-safe-are-contact-lenses) (November 2014). The Guardian. 7. [Calculating Risk in Use of Disposable Contacts](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3314054/). (April 2012). CMAJ-JAMC. 8. [Contamination Risk of Reusing Daily Disposable Contact Lenses](https://www.ncbi.nlm.nih.gov/pubmed/22041587). (December 2011). Optometry and Vision Science. 9. [Keratitis](https://www.mayoclinic.org/diseases-conditions/keratitis/symptoms-causes/syc-20374110). (November 2018). Mayo Clinic. 10. [When You Wear Contacts Every Day, This Is What Happens to Your Eyes](https://www.thelist.com/367679/when-you-wear-contacts-every-day-this-is-what-happens-to-your-eyes/). (March 2021). The List. 11. [Rare Eye Infection, Vision Loss Result From Wearing Contacts While Showering](https://www.washingtonpost.com/health/rare-eye-infection-vision-loss-result-from-wearing-contacts-while-showering/2019/07/26/b939e3e8-aca8-11e9-8e77-03b30bc29f64_story.html). (July 2019). The Washington Post. This content is for informational purposes only. It may have been reviewed by a licensed physician, but is not intended to serve as a substitute for professional medical advice. Always consult your healthcare provider with any health concerns. For more, read our [Privacy Policy](https://www.nvisioncenters.com/privacy-policy/) and [Editorial Policy](https://www.nvisioncenters.com/about-us/editorial-policy/). Further Reading - [Are Halloween Costume Contact Lenses Safe? What You Need to Know](https://www.nvisioncenters.com/contacts/are-halloween-contact-lenses-safe/) - [Deciding Between Contacts & Glasses](https://www.nvisioncenters.com/contacts/vs-glasses/) - [The Best Contact Lenses in 2020](https://www.nvisioncenters.com/contacts/best-lenses/) - [How Long Do Contacts Last?](https://www.nvisioncenters.com/contacts/how-long-last/) - [Costs in 2020](https://www.nvisioncenters.com/contacts/costs/) - [How to Overcome Contact Problems](https://www.nvisioncenters.com/contacts/burning-and-irritation/) - [Blurry Vision From Contacts](https://www.nvisioncenters.com/contacts/blurry-problems/) - [Contacts for Astigmatism](https://www.nvisioncenters.com/contacts/contacts-astigmatism/) ## Ask ![](https://www.nvisioncenters.com/wp-content/themes/nvision-v2/ui/page/templates/img/at-a-glance.webp) Your vision correction questions, answered instantly LASIK Surgery LASIK Alternatives Cataract Surgery Find NVISION Locations LASIK Cost & Financing Thinking... 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Readable Markdown	Daily contacts should not be worn more than once. Contacts need to be replaced at regular intervals as indicated by your doctor and the manufacturer. ## Table of Contents - [Reusing Daily Contacts](https://www.nvisioncenters.com/contacts/daily/#reuse) - [Safety of Using Daily Contacts](https://www.nvisioncenters.com/contacts/daily/#safety) - [Recommended Contact Replacement](https://www.nvisioncenters.com/contacts/daily/#recommended) - [Issues Related to Extended Wear](https://www.nvisioncenters.com/contacts/daily/#issues) Of the nearly 50 million Americans who wear contact lenses, the [American Optometric Association](https://www.aoa.org/healthy-eyes/vision-and-vision-correction/contact-lens-care?sso=y) (AOA) reports that close to half of the adults wearing them use them for longer than the recommended length of time. The [U.S. Food and Drug Administration](https://www.fda.gov/medicaldevices/productsandmedicalprocedures/homehealthandconsumer/consumerproducts/contactlenses/ucm062319.htm) (FDA) explains that there are several [types of contacts](https://www.nvisioncenters.com/contacts/best-lenses/), and different forms of daily use contacts may be approved for varying lengths of time. A daily use contact is one that is taken out each night. ## Can You Reuse Daily Contacts Depending on the type, you may be able to reuse daily contacts. There are two main forms of daily use contacts: daily disposable and daily reusable contacts that are on a specific replacement schedule. - Daily disposable contacts are not meant to be reused. They are to be discarded each night and replaced with brand new ones the next day. - Daily reusable contacts may be taken out each night, cleaned and disinfected, and then reused the next day. These contacts have a specific replacement schedule as outlined by the manufacturer and explained by your doctor. Some may need to be replaced weekly, while others may be reusable for up to 30 days. #### You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. Wearing daily contacts more often than recommended can greatly increase the risk for eye infection and other eye-related issues. It is important to follow your doctor’s instructions when replacing and reusing contacts in order to maintain your eye health. ![Close-up Of Young Man Holding Contact Lens On Finger](https://www.nvisioncenters.com/wp-content/uploads/close-up-contact-lense-on-finger-704x369.jpg) ## The Safety of Using Daily Contacts More Frequently Daily use contacts are designed to be taken out each night and not worn overnight. Some daily use contacts are meant to be discarded after each use (daily disposable contacts), while others can be reused the next day after cleaning and disinfecting them (daily reusable or replacement schedule contacts). The FDA does not approve multi-day use of daily disposable contacts, as these are meant to only be worn once to prevent eye infections. They are not designed for multiple uses. Daily disposable contacts are thinner than other types of contact lenses and therefore will not hold up well for reuse. It is important to follow your doctor’s recommended replacement schedule for daily use of reusable contacts. [Daily use contacts should never be worn overnight](https://www.nvisioncenters.com/contacts/sleep-with/). Daily reusable contacts may be [rigid gas-permeable (RGP)](https://www.nvisioncenters.com/contacts/rgp-hard/) and usable for up to a year with proper care. Or, they may be soft plastic contact lenses that need to be [replaced on a specific schedule](https://www.nvisioncenters.com/contacts/how-long-last/) — usually every week or month, depending on the type and brand. Replacing daily contacts can add up financially. It can be tempting to use them for longer than recommended, but doctors advise against this practice. It can lead to many potential problems, which ultimately cost you more money in the long run. #### You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. ## The Importance of Following Recommended Contact Replacement Schedules Each year, there are close to [1 million doctor visits](https://www.theguardian.com/lifeandstyle/2014/nov/23/how-safe-are-contact-lenses) related to eye infections caused by [contact lenses](https://www.nvisioncenters.com/contacts/). Many of these visits are due to improper hygiene, such as not washing your hands prior to handling your contacts. A lot of these visits are also due to using daily wear contacts for longer, or more often, than they are intended to be worn. Manufacturers and doctors set up a contact replacement schedule on purpose, to promote eye health and keep you as safe as possible. Contacts are an effective vision replacement tool and safe when used as directed. When they are used outside of the directed parameters, problems can develop. As reported in the Canadian Medical Association Journal ([CMAJ-JAMC](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3314054/)), people who wore contacts beyond their recommended shelf-life experienced far more eye-related issues than those who stuck to the doctor-recommended replacement schedule. While you may get lucky and not experience a problem right away, the first problem you do experience could be serious. The more you reuse them, the more you put yourself at risk for a significant issue. ## Issues Related to Extended Wear Reusing daily contacts beyond their recommended schedule can lead to these issues: - Eye infection - Dry eyes - Corneal ulceration and scarring - Visual impairment and possible blindness The journal of the American Academy of Optometry, [Optometry and Vision Science](https://www.ncbi.nlm.nih.gov/pubmed/22041587), published a study where they looked at daily disposable contact lenses that were saved after one use and stored overnight. The findings showed that 95 percent of users had at least one pair (out of five in the span of a month) of lenses that were contaminated with bacteria such as staphylococci. ![Woman with glasses suffering from eyestrain after long hours working on computer](https://www.nvisioncenters.com/wp-content/uploads/woman-at-desk-with-headache-1.jpg) This study proves that overnight storage of daily use contact lenses can lead to a buildup of bacteria; if placed back in the eye, the bacteria can lead to serious eye infections. Daily disposable contacts don’t allow oxygen to travel through to the eye or hold moisture well. This can lead to extreme dry eyes, corneal scarring, and therefore impaired vision, which may even lead to the need for a corneal transplant. One of the most significant potential risks for eye infections caused by improper contact lens use is [keratitis](https://www.nvisioncenters.com/contacts/acanthamoeba-keratitis/), which is a bacterial infection that affects the cornea. The cornea is the clear covering in the front of the eye. A corneal infection, keratitis, can cause your eyes to become red and [irritated](https://www.nvisioncenters.com/contacts/burning-and-irritation/), weep, and hurt. It can lead to [blurred vision](https://www.nvisioncenters.com/contacts/blurry-problems/), sensitivity to light, and even result in blindness in serious cases. [Mayo Clinic](https://www.mayoclinic.org/diseases-conditions/keratitis/symptoms-causes/syc-20374110) publishes that overuse of contact lenses, or using them more often or beyond the recommended length of time, can cause infectious keratitis. Daily use contacts can be some of the safest types of contacts, as they are taken out each night to allow proper oxygen flow to the eyes. Daily disposable contacts can reduce the risk for infection greatly by decreasing the potential for bacterial buildup. Daily disposable contacts do not need to be cleaned or disinfected, which can make them more convenient as well. Most issues that can arise from contact lenses generally stem from improper hygiene or use. When using contact lenses, follow your doctor’s directions on how often to change and replace them. Clean them properly and change the disinfecting fluid as directed when dealing with reusable daily contacts. [Wash your hands before touching the contacts or your eyes](https://www.nvisioncenters.com/contacts/put-in/), and dispose of the contacts on time. Resist the urge to stretch use of your contacts beyond their set schedules. This will ensure optimal eye health. #### You deserve clear vision. We can help. With 135+ locations and over 2.5 million procedures performed, our board-certified eye surgeons deliver results you can trust. Your journey to better vision starts here. ## References 1. [Complications of Contact Lenses](https://jamanetwork.com/journals/jama/fullarticle/2779826). (May 2021). JAMA Network. 2. [Facts and Stats](https://www.aoa.org/healthy-eyes/vision-and-vision-correction/contact-lens-care?sso=y). (August 2017). American Optometric Association. 3. [Types of Contact Lenses](https://www.fda.gov/medicaldevices/productsandmedicalprocedures/homehealthandconsumer/consumerproducts/contactlenses/ucm062319.htm). (January 2018). U.S. Food and Drug Administration. 4. [Contact Lens-Related Eye Infections](https://www.aao.org/eye-health/diseases/contact-lens-related-eye-infections). (April 2021). American Academy of Ophthalmology. 5. [How to Take Care of Contact Lenses](https://www.aao.org/eye-health/glasses-contacts/contact-lens-care). (September 2018). American Academy of Ophthalmology. 6. [How Safe are Contact Lenses?](https://www.theguardian.com/lifeandstyle/2014/nov/23/how-safe-are-contact-lenses) (November 2014). The Guardian. 7. [Calculating Risk in Use of Disposable Contacts](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3314054/). (April 2012). CMAJ-JAMC. 8. [Contamination Risk of Reusing Daily Disposable Contact Lenses](https://www.ncbi.nlm.nih.gov/pubmed/22041587). (December 2011). Optometry and Vision Science. 9. [Keratitis](https://www.mayoclinic.org/diseases-conditions/keratitis/symptoms-causes/syc-20374110). (November 2018). Mayo Clinic. 10. [When You Wear Contacts Every Day, This Is What Happens to Your Eyes](https://www.thelist.com/367679/when-you-wear-contacts-every-day-this-is-what-happens-to-your-eyes/). (March 2021). The List. 11. [Rare Eye Infection, Vision Loss Result From Wearing Contacts While Showering](https://www.washingtonpost.com/health/rare-eye-infection-vision-loss-result-from-wearing-contacts-while-showering/2019/07/26/b939e3e8-aca8-11e9-8e77-03b30bc29f64_story.html). (July 2019). The Washington Post. This content is for informational purposes only. It may have been reviewed by a licensed physician, but is not intended to serve as a substitute for professional medical advice. Always consult your healthcare provider with any health concerns. For more, read our [Privacy Policy](https://www.nvisioncenters.com/privacy-policy/) and [Editorial Policy](https://www.nvisioncenters.com/about-us/editorial-policy/).
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