epithelial basement membrane dystrophy

An epithelial and subepithelial dystrophy that is characterized by sheet-like areas of basement membrane originating from the basal epithelial cells of the corneal epithelium and extending superficially into the epithelium.

Signs and symptoms

• Recurrent corneal erosions
• Map-dot-fingerprint corneal dystrophy
• Corneal dystrophy
• Reduced visual acuity

Also known as: Cogan corneal dystrophy; EBMD; microcystic corneal dystrophy