MONDO_0020365 (congenital hereditary endothelial dystrophy type I) can be described as follows. Congenital hereditary endothelial dystrophy I (CHED I) is a rare subtype of posterior corneal dystrophy characterized by a diffuse ground-glass appearance of the corneas and marked corneal thickening from birth or infancy without nystagmus, with blurred vision. Also known as: CHED1, CHEDI, autosomal dominant CHED, autosomal dominant congenital hereditary endothelial dystrophy, congenital hereditary endothelial dystrophy type 1.