_:vb50938859 "An epithelial and subepithelial dystrophy that is characterized by sheet-like areas of basement membrane originating from the basal epithelial cells of the corneal epithelium and extending superficially into the epithelium."^^ . _:vb50938859 . _:vb50938859 . _:vb50938859 "url:https://pubmed.ncbi.nlm.nih.gov/16652336/"^^ . _:vb50938859 . _:vb50938859 .