Monarch Disease Ontology identifier MONDO_0012043 (Reis-Bucklers corneal dystrophy) is reis-Bücklers corneal dystrophy (RBCD), also known as granular corneal dystrophy type III, is a rare form of superficial corneal dystrophy characterized by bilateral symmetrical reticular opacities in the superficial central cornea, with progressive visual impairment. Also known as: RBCD, anterior limiting membrane dystrophy type 1, anterior limiting membrane dystrophy type I, atypical granular corneal dystrophy, corneal dystrophy of Bowman layer type 1, corneal dystrophy of Bowman layer type I, geographic corneal dystrophy, granular corneal dystrophy type 3.