Corneal dystrophy is a rare bilateral hereditary condition characterized by congenital bilateral central diffuse corneal opacification  with deposition of some abnormal and unknown substance in the cornea clinically any condition where there is bil central symmetrical corneal opacity with absence of deep vascularisation and absence of corneal sensation is corneal dystrophy unless proved otherwise  the congenital rare associations with congenital corneal dystrophy are Congenital glaucoma Keratoconus Ant staphyloma Congenital absence of dest membrane Deafness called cogans syndrome CHED KCS Medullated optic nerve fibers  Conjunctival xerosis Congenital ptosis Share your views.