<unk>  (CNA2) is an extremely rare congenital hereditary deformity of the eye surface, leading to severe decrease in<unk> l curvature. There is evidence that<unk>  is caused by mutations in KERA gene encoding keratocan.
Cornea plana 2
Cornea plana 1
Grand Rounds
Microcoria
Oedema glottidis
Noora 
Hot nose sign
Cornea verticillata