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Map-Dot-Fingerprint Dystrophy

What is Map-Dot-Fingerprint Dystrophy?

Map-dot-fingerprint dystrophy is the abnormal appearance of the basement membrane of the epithelium of the cornea.

Map-dot-fingerprint dystrophy is also called epithelial basement membrane dystrophy.

What Causes Map-Dot-Fingerprint Dystrophy?

Map-Dot-Fingerprint Dystrophy occurs when the epithelium's basement membrane develops abnormally. The basement membrane serves as the foundation on which the epithelial cells, which absorb nutrients from tears, anchor and organize themselves. When the basement membrane develops abnormally, the epithelial cells cannot properly adhere to it. This, in turn, causes recurrent epithelial erosions, in which the epithelium's outermost layer rises slightly, exposing a small gap between the outermost layer and the rest of the cornea.

Who Gets Map-Dot-Fingerprint Dystrophy?

Map-dot-fingerprint dystrophy usually affects adults between the ages of 40 and 70. It can also affect children if they inherit it from their parents. Map-dot-fingerprint dystrophy is usually painless and causes no vision loss, and sometimes clears up without treatment.

Complications of Map-dot-fingerprint Dystrophy

In some cases, epithelial erosion may occur. Epithelial erosion can expose the nerves lining the cornea, causing severe pain. The cornea's normal curvature may be altered causing astigmatism and nearsightedness

As the cornea is altered, vision may be blurry and accompanied by:

  • Moderate to severe pain. The pain will be worse on awakening in the morning.
  • Increase sensitivity to light
  • Excessive tearing
  • A feeling that something is in your eye

Can Map-dot-fingerprint Dystrophy be Treated?

Yes. Treatment may include an eye patch, eye drops, and ointments.

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