title: Keratectasia after PTK.
authors.forename: Simon J
authors.initials: SJ
authors.lastname: Dean
authors.forename: Charles N J
authors.initials: CN
authors.lastname: McGhee
mesh_terms: D017209:Apoptosis; D003316:Corneal Diseases / Q000209:etiology* / Q000473:pathology; D006801:Humans; D054018:Lasers, Excimer; D018903:Photorefractive Keratectomy / Q000009:adverse effects*