Monarch Disease Ontology term MONDO_0007379 (Meesmann corneal dystrophy) (MECD) is a rare form of superficial corneal dystrophy characterized by distinct tiny bubble-like, round-to-oval punctate bilateral opacities in the central corneal epithelium, and to a lesser extent in the peripheral cornea, with little impact on vision. Also known as: MECD, juvenile epithelial of Meesmann corneal dystrophy, juvenile hereditary epithelial dystrophy, juvenile hereditary epithelial dystrophy of Meesmann, stocker-Holt dystrophy.