Corneal dystrophy is not an uncommon condition. It is somewhat a complicated disorder as we do not know the exact paleopathology of corneal dystrophy. There is deposition of some unknown substance in corneal stroma whose aetiopathogenesis not known.

However here familial entity is an contributory cause  the nice classification is lesions in the cornea of an unknown aetiology which may manifest either at birth or at IST or second decade of life may remain stationery or progressive has got a strong heredofamilial tendency clinical bilateral central symmetrical corneal opacity with absence of deep vascularisation and impaired corneal sensation is corneal dystrophy unless proved otherwise. An old classification of corneal dystrophy  is  Granular Macular Lattice Other classification is Whirl like dystrophy of Fleisher Mosiac like dystrophy of Vogt Primary band-shaped corneal dystrophy…