| A degenerative corneal disorder characterized by the association of congenital hereditary endothelial dystrophy with progressive postlingual sensorineural hearing loss. The ocular manifestations include diffuse bilateral corneal edema occurring with severe corneal clouding, blurred vision, visual loss and nystagmus. Caused by mutations in the SLC4A11 gene located at the CHED2 locus on chromosome 20p13p12. |