The cornea represents the clear window in front of the eyeball. This is the most important refractive surface we have in the refractive anatomy of the eye. It accounts for 2/3 of the eyes refractive power, the air/tear film interface. If the cornea is irregular, the image will be blurry. If the cornea has astigmatism, the person will see a distorted image. The cornea is approximately the size of a dime, 550 microns in thickness or about 10-11 millimeters. Frequently, the cornea can be associated with reduction and transmission of light because of an inheritable disease called Fuch’s corneal dystrophy. Fuch’s corneal dystrophy is seen more frequently in women by a factor of 3:1 and results in thickening of the cornea and the loss of transmission of light. Various procedures are available for this condition; such as PKP (Penetrating Keratoplasty) a through and through-thickness corneal transplant, DSAEK procedure (Descemet’s Stripping Automated Endothelial Keratoplasty) to remove the posterior endothelial cells which are deficient in number with the replacement of graft tissue and DMEK or Descemet’s Membrane Endothelial Keratoplasty. These procedures are the mainstay of modern corneal transplants for endothelial dystrophies.

Regarding corneal scarring, PKP is the mainstay of therapy. This is the most common procedure performed for local burns to the cornea.

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Read More About The Cornea

There is a lot of information on the internet about eye health. The best information will come directly from a board-certified eye doctor. Call (941) 625-1325 to book a consult with one of Community Eye Center’s ophthalmologists, optometrists or opticians today.

Fuchs Dystrophy

Occurring in up to 5% of the population over 40, Fuch’s Dystrophy is a common eye condition that affects the cornea.

Certain people may be predisposed to Fuch’s Dystrophy, but eye trauma can play a role in the disease. Some studies suggest that oxidative damage is a factor, and that antioxidants might help prevent the condition.

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Keratoconus

Keratoconus is a condition where the cornea develops progressive thinning. This can be treated in a number of ways. One of the treatments, which is approved in this country, is the use of intacts rings to stabilize the cornea from progression early in the disease process.

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Corneal Anomalies

The cornea represents the clear window in front of the eyeball. This is the most important refractive surface we have in the refractive anatomy of the eye. It accounts for 2/3 of the eyes refractive power, the air/tear film interface. If the cornea is irregular, the image will be blurry. If the cornea has astigmatism, the person will see a distorted image.

Read More »

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