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Do Contact Lenses Expire?

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A close-up image of a woman placing a contact lens into her eye.

Unless you’ve paid close attention to the packaging your contacts came in, you may be surprised to know that all contact lenses expire. There isn’t a one-size-fits-all answer for how long they last, though. The expiration date of each lens will vary based on the material and the type of contact lens.

There’s a lot of information about contact lenses online. But the fact is that expired lenses heighten the risk of developing eye conditions and diseases. Follow all manufacturer instructions regarding the care and expiry of your lenses. Your eye doctor can review everything you need to know about contact lens wear during a contact lens exam.

How Many Years Can Contact Lenses Last?

You might notice a small expiration date printed somewhere on the packaging when you buy a box of contact lenses. This is an important little detail. The expiration date indicates the last day the manufacturer guarantees the product’s safety and effectiveness. After this date, the lenses could deteriorate or lose their sterility, which can affect your vision and eye health.

But this date varies. All contact lenses expire, typically within 1 to 4 years of manufacturing. 

Why Contact Lenses Expire

The materials used to make contact lenses and the solutions used to store them can break down over time, and their sterilization can weaken. The integrity of the lens material and the solution it’s stored can begin to degrade over time, potentially making the lenses less comfortable and even harmful to use.

Several factors can affect the shelf life of contact lenses. For instance, how they’re stored can impact their longevity. Exposure to extreme temperatures or direct sunlight can speed up the degradation process. And the type of lens—whether it’s soft, rigid, or extended wear—also affects how long they can last before expiring.

Health Risks Associated with Using Expired Contact Lenses

Using expired contact lenses is more than just a minor inconvenience—it can pose significant health risks. 

Expired lenses can harbor bacteria and other harmful pathogens. And putting a contaminated lens directly on your eye can lead to redness, irritation, and even severe infections.

Degraded lenses can also cause reduced vision quality. Over time, expired lenses can lose their integrity and become less effective at correcting your vision. This means you won’t see as clearly as you should, which can be especially dangerous while driving or performing tasks that require sharp vision.

Wearing expired lenses can also cause discomfort. The materials may become stiffer or more brittle, making the lenses uncomfortable or even painful.

A close-up image of a woman placing a contact lens into her eye.

How to Properly Store & Care for Contact Lenses to Maximize Their Lifespan

Proper storage and care can significantly extend the lifespan of your contact lenses, ensuring they remain safe and comfortable to use until their expiry date. Always follow the manufacturer’s instructions or your eye doctor’s advice, but here are a few tips for storage and care of your lenses:

  • Always store your lenses in a lens case filled with fresh contact lens solution. Never use tap water or any other liquid, as these can introduce harmful bacteria.
  • Keep your lenses and their case away from extreme temperatures and direct sunlight. Store them in a cool, dry place.
  • Make it a habit to clean your lens case regularly. Replace the case every three months to prevent contamination.
  • Always follow the recommended replacement schedule for your lenses. Even if the lenses feel fine, you should replace them regularly to avoid potential health risks.
  • Wash your hands thoroughly with soap and water before handling your lenses. This simple step can go a long way in preventing infections and ensuring your lenses last as long as possible.

Can I Still Use My Lenses After the Expiration Date?

It’s not advisable to keep using contact lenses beyond the expiration date. Using expired lenses can lead to serious eye health issues, including infections and reduced vision quality.

To verify the expiration, check the date on the packaging. If you’re unsure, consult your eye doctor.

What Should I Do If I Wear Expired Contact Lenses by Mistake?

Remove the lenses immediately and consult your eye care provider if you experience any discomfort or vision changes. They can assess any potential damage and provide appropriate treatment.

Can I Extend the Shelf Life of My Contact Lenses?

While you can’t change the expiration date, proper storage and care can help maintain their quality until then.

Is it Safe to Buy Contact Lenses Online?

Yes, but ensure you purchase from reputable sources. Look at the expiration dates upon receiving the lenses to check if they’re still fresh and safe to use.

Generally, ordering directly from your optometrist can provide peace of mind. That way, you’re buying from someone you know and can consult again—anytime.

Talk to Your Eye Doctor About Contact Lenses

Don’t take chances with your eye health. Make sure you’re using fresh, safe contact lenses every time. If you haven’t had an eye exam recently, now is an excellent time to schedule one. Your eye doctor can provide personalized advice and ensure your lenses fit your needs best.

Contact our team at Great Hills Eye Care today to book an appointment. One of our experienced optometrists can examine your eyes and recommend contact lenses to suit you and your lifestyle.

Written by Dr. Drew Provost

Dr. Drew Provost grew up in Atlanta, GA, and earned his bachelor’s degree studying sociology and microbiology at the University of Georgia. He then obtained his Doctor of Optometry degree from Southern College of Optometry in Memphis, Tennessee. He completed 2 rotations at The Eye Center in Memphis with concentrations in ocular disease, pediatric optometry, and contact lenses. He completed a private practice internship in Marietta, GA, focusing on advanced contact lens fitting and primary care.

More Articles By Dr. Drew Provost
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Meet Our Doctors

Dr. Drew Provost

Clinic Director/Founder

Dr. Drew Provost received his bachelor’s degree studying Sociology/Microbiology from the University of Georgia followed by his Doctor of Optometry degree from Southern College of Optometry.

Dr. Raymond Carneglia

Optometrist

Dr. Raymond Carneglia received his bachelor’s degree from the University of Texas at Austin followed by his Doctor of Optometry Degree from Nova Southeastern College of Optometry.

Dr. Kelsey Tillotson

Optometrist

Dr. Kelsey Tillotson earned her bachelor’s degree in psychology from the University of Houston. She then attended the University of Houston School of Optometry, where she obtained her Doctor of Optometry degree.

Dr. Ashish Patel

Optometrist

Dr. Ashish Patel earned his Bachelor of Science in biology from Texas A&M University in College Station. He then attended the University of Houston School of Optometry, where he obtained his Doctor of Optometry degree.

Dr. Monica Do

Optometrist

Dr. Monica Do attended the University of Texas at Austin where she obtained her bachelor’s in biology followed by her Doctor of Optometry degree at the University of Houston College of Optometry.

Dr. Marcia Truong

Optometrist

Dr. Marcia Truong attended San Jose State University where she obtained her bachelor’s in chemistry followed by her Doctor of Optometry degree at Illinois College of Optometry.

Dr Emily Janak

Dr. Emily Janak

Optometrist

Dr. Emily Janak received her bachelor’s in biomedical sciences and nutritional sciences from Texas A&M University. She then obtained her Doctor of Optometry degree at the University of Houston College of Optometry.

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