For the CCT loci identified here, DCN (12 kb from rs7308752) and KERA in the same locus (75 kb from rs7308752), are involved in congenital stromal corneal dystrophy (OMIM: 610048) and Cornea plana 2 (OMIM:217300), respectively. The gene discussed is FLVCR2; the disease is congenital stromal corneal dystrophy.