title: Unilateral pellucid marginal degeneration in an elderly patient.
authors.forename: B B
authors.initials: BB
authors.lastname: Wagenhorst
mesh_terms: D001251:Astigmatism / Q000209:etiology; D003316:Corneal Diseases / Q000150:complications / Q000175:diagnosis* / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged