title: Ectasia after photorefractive keratectomy.
authors.forename: Shawn R
authors.initials: SR
authors.lastname: Klein
authors.forename: Randy J
authors.initials: RJ
authors.lastname: Epstein
mesh_terms: D003315:Cornea / Q000000981:diagnostic imaging / Q000473:pathology*; D003316:Corneal Diseases / Q000175:diagnosis / Q000209:etiology*; D019781:Corneal Topography; D004108:Dilatation, Pathologic / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D007049:Iatrogenic Disease; D054018:Lasers, Excimer; D009216:Myopia / Q000601:surgery*; D018903:Photorefractive Keratectomy / Q000009:adverse effects*; D014463:Ultrasonography; D014792:Visual Acuity