Eye health resource
Can You Wear Daily Contacts More than Once?
Daily disposable contact lenses are designed for one-time use and should be discarded after wear. Learn why reuse can increase eye-health risks.
Reviewed for accuracy by Justin Bazan, OD on .
No. True daily disposable contact lenses are designed to be worn once and then discarded. A fresh pair is used the next time you wear contacts. They are not intended to be cleaned, disinfected, stored overnight, and worn again.
That replacement schedule is different from reusable soft lenses that are specifically prescribed for planned replacement, such as every 2 weeks or every month. The safest rule is simple: follow the replacement and wearing schedule prescribed for your exact lens.
At Park Slope Eye, daily disposables are generally our preference for routine soft contact lenses when an appropriate daily lens is available for the patient's prescription and needs. We like the simplicity of starting with a fresh lens each day without a lens case or overnight cleaning routine. That is a preference, not a rule: some prescriptions, specialty-lens needs, myopia-management goals, eye-health considerations, comfort needs, or budgets call for a different option.
What Does “Daily Disposable” Mean?
The U.S. Food and Drug Administration defines disposable contact lenses as lenses that are used once and discarded. The Centers for Disease Control and Prevention similarly advises people wearing true daily disposables to throw them away at the end of the day and use a new pair the next day.
Daily disposable lenses are popular because there is no overnight storage case and no daily cleaning routine. Starting with a fresh lens each day can also reduce the buildup of deposits that occurs on reusable lenses over time.
That does not mean every daily disposable lens is automatically the most comfortable or healthiest choice for every person. Comfort depends on the lens material, fit, prescription, tear film, wearing habits, and the individual eye. A contact lens fitting helps determine which lens design is appropriate for you.
Why Reusing Daily Contacts Is a Bad Idea
Contact lenses are medical devices that sit directly on the surface of the eye. Wearing or caring for them differently from the prescribed schedule can increase the risk of irritation and complications.
Reusing a daily disposable lens can expose the eye to several problems:
- Contamination: once a lens has been handled and worn, it is no longer in the sterile condition it was in when the package was opened.
- Deposits and debris: proteins, oils, cosmetics, allergens, and other material can collect on a lens during wear.
- Reduced comfort: a lens that has already been worn may not feel or perform the same way when reused.
- Infection risk: poor contact-lens wear and care can contribute to keratitis, including microbial keratitis, a potentially serious corneal infection.
Daily disposable lenses are not designed around an overnight cleaning-and-disinfection cycle. Putting a worn daily lens into solution does not convert it into a reusable lens.
What If I Only Wore the Lens for a Few Hours?
The replacement schedule still applies. A lens labeled and prescribed as daily disposable is a single-use lens, even if you did not wear it for an entire waking day.
If you need to remove a daily disposable lens because your eye is irritated, red, painful, unusually watery, or your vision changes, remove the lens and do not simply put it back in. Those symptoms can be signs that the eye needs evaluation.
How Many Hours Can I Wear Daily Contacts?
There is no single wear-time number that is correct for every person or every daily disposable lens. Your safe and comfortable wearing time depends on the lens, your eyes, your environment, and your eye doctor's recommendations.
Follow the wearing schedule your optometrist gives you and the instructions for your specific lens. Do not sleep in daily-wear contact lenses unless the particular lens is approved for overnight wear and your eye doctor has specifically prescribed that schedule.
If your lenses become uncomfortable before the end of the day, do not force yourself to keep wearing them. Persistent dryness, burning, redness, pain, light sensitivity, or blurred vision deserves attention rather than simply longer wear.
Are Daily Contacts Better for Dry Eyes?
Sometimes, but not automatically. A fresh lens every day can be helpful for some people because there is less time for deposits to accumulate. Other patients do better with a different material, replacement schedule, specialty lens, or treatment of an underlying dry-eye problem.
If contact lenses regularly burn, feel dry, become blurry, or are difficult to tolerate, the answer may be a better-fitting lens rather than simply switching replacement schedules. Park Slope Eye fits routine and more complex lenses, including toric, multifocal, corneal GP/RGP, scleral, and Ortho-K lenses when appropriate.
What Are the Alternatives to Daily Disposables?
Depending on your prescription and eye health, alternatives may include reusable soft lenses with a prescribed 2-week or monthly replacement schedule, specialty contact lenses, or glasses as a backup or primary option.
Reusable lenses require the cleaning, disinfection, storage, and replacement routine recommended for that exact lens and care system. Never use water to clean or store contact lenses, and never share lenses with another person.
When Should a Contact Lens Wearer Get Help?
Remove your contact lenses and contact an eye-care professional if you develop significant redness, pain, light sensitivity, discharge, or a meaningful change in vision. Severe pain, sudden vision loss, chemical injury, or a penetrating eye injury requires emergency evaluation rather than routine contact-lens troubleshooting.
Need Help Choosing the Right Contact Lens?
For routine soft lenses, we generally start by considering an appropriate daily disposable option. We then choose the lens that best fits your prescription, eye health, comfort, visual needs, treatment goals, and practical considerations. If you are uncomfortable in your current lenses or want to compare daily, reusable, or specialty options, Park Slope Eye can evaluate the fit and help you choose an appropriate lens.
Visit our contact lens exams and fittings page to learn about fitting and booking.
Originally published . Substantially updated .