Anterior basement membrane dystrophy, also known as map-dot-fingerprint or epithelial basement membrane dystrophy, is a condition that affects the anterior (or front) of the cornea. In this condition, the membrane that lies beneath the corneal epithelium doesn’t function properly and can cause recurrent corneal erosions to develop.  This is like a spontaneous scratch of the ocular surface.  In fact, the condition can be caused by minor trauma to the eye such as can occur with