Anterior basement membrane dystrophy (ABMD), also called map-dot-fingerprint dystrophy, is a genetic condition affecting the cornea's epithelial layer. ABMD causes the corneal surface to be irregular, resulting in corneal erosion recurring and blurry vision. Treating the condition may include lubricating eye drops, ointments, or superficial keratectomy (SK), which helps smooth out any irregularities and help improve vision.