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11111 Kingston Pike
Knoxville, TN 37934

Monday 7:30 - 4:30
Tuesday 7:30 - 4:30
Wednesday 7:30 - 4:30
Thursday 9:00 - 6:00
Friday 7:30 - 1:00
Saturday Closed
Sunday Closed

The answer to the above question is....it depends.  You most likely have been told that sleeping in your contact lenses is not a good idea and could cause some major problems.  That can be true, but it is not necessarily always true.  With the new materials that modern contact lenses are usually made from, silicone hydrogel, the problem is not hypoxia (lack of oxygen permeation).  One could argue that the eye gets nearly as much oxygen with most "extended wear" lenses as is does without a lens on the eye.  The problem lies in the cleanliness of the lens and surface deposits.  As a contact lens sits on the surface of the eye, it is exposed to atmospheric debris, tears, and other foreign substances.  Over the course of the day, these foreign elements will adhere to the surface of the lens.  If the lens is not removed routinely and cleaned and disinfected, irritation can occur and lead to serious complications.  Eye infections, especially the kind that affect the cornea, can lead to permanent damage to the eyes and vision.

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Infection from contact lens abuse                   Healthy contact lens wear

  If cleaning your contact lenses seems like too much work, you may want to consider daily disposable contact lenses that are worn once and thrown away.

There is, however, a type of contact lens that is actually prescribed to be worn overnight, on purpose!  The difference in these contact lenses is that they reshape the cornea in order to change the refractive error.  This only works with those individuals that are near-sighted and may have mild to moderate astigmatism.  CRT lenses (corneal refractive therapy) are worn overnight and removed in the morning.  After removal, the lenses are cleaned and disinfected during the daytime.

So, now you see why the answer is a little more complicated than you may have thought.  It is important to discuss your individual needs with your eye doctor and make sure that you are compliant with the wear schedule that your eye doctor prescribes.  Contact lenses come in many forms and can seem pretty complicated.  It is the job of your eye doctor to take care of your eyes and prescribe the healthiest option for your needs.  It is your job to comply.  Remember, if you really want to wear contact lenses, you most likely can.  Schedule an appointment with your eye doctor in order take advantage of the many healthy contact lens options that you have.

Brent B. Fry, O.D.


With all of the options that are available for eye care services and products, how can you decide what is best for you and your family?  Getting accurate information can sometimes be difficult due to all of the advertising that is all over the television and internet.  To keep it simple, remember, you usually get what you pay for.  If you see 2 pair of glasses for $69 and a free eye exam, do you really think that those glasses and that eye exam are what is best for you and your family?  We encourage people to schedule an eye exam in our office and let us inform you about all of the new and exciting innovations in eye care and products available today.  Do you really think that the "buy one get one" places are the best place to go for something as important as your eyes and your vision?  You use your eyes for everything and you should value your eyes and take care of them the best you can.  So when you are considering eye care options, shouldn't you consider more than just price?

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Modern, Friendly Eye Care for Knoxville & Farragut, TN

Built on the foundation of patient convenience and satisfaction, our optometrists and opticians serve all of your family’s vision care needs under one roof. We're looking forward to seeing you!