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Lisch epithelial corneal dystrophy (LECD), also known as band-shaped and whorled microcystic dystrophy of the corneal epithelium, is a rare form of corneal dystrophy first described in 1992 by Lisch et al. [1] In one study it was linked to chromosomal region Xp22.3, with as yet unknown candidate genes.
Meesmann corneal dystrophy (MECD) is a rare hereditary autosomal dominant disease that is characterized as a type of corneal dystrophy and a keratin disease.MECD is characterized by the formation of microcysts in the outermost layer of the cornea, known as the anterior corneal epithelium.
Italian Greyhound – occurs in young dogs and is focal. Lhasa Apso – oval appearance. Mastiff – oval appearance. Miniature Pinscher – occurs at one to two years of age and is oval. Norwich Terrier – peripheral cornea. Pembroke Welsh Corgi – occurs in young dogs and can include blood vessels and pigmentation. Pointer – gray, hazy ring.
Lisch epithelial corneal dystrophy is characterized by feather shaped opacities and microcysts in the corneal epithelium that are arranged in a band-shaped and sometimes whorled pattern. Painless blurred vision sometimes begins after sixty years of life.
Apple green dichroism of subepithelial deposition of amyloid viewed under polarized light. Congo red stain. Gelatinous drop-like corneal dystrophy, also known as amyloid corneal dystrophy, is a rare form of corneal dystrophy.
Recurrent corneal erosion (RCE) is a disorder of the eyes characterized by the failure of the cornea's outermost layer of epithelial cells to attach to the underlying basement membrane (Bowman's layer). The condition is excruciatingly painful because the loss of these cells results in the exposure of sensitive corneal nerves.
This condition is known as recurrent epithelial erosion. These erosions alter the cornea's normal curvature, resulting in temporary vision problems, and expose the nerves that line the cornea, causing severe pain. Even the involuntary act of blinking can be painful.
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