Cornea Plana 2, Autosomal Recessive, also known as cornea plana congenita, recessive, is related to cornea plana 1, autosomal dominant and ceroid lipofuscinosis, neuronal, 5. An important gene associated with Cornea Plana 2, Autosomal Recessive is KERA (Keratocan). Affiliated tissues include endothelial and liver, and related phenotypes are corneal opacity and flat cornea