title: PRK after RK.
authors.forename: T J
authors.initials: TJ
authors.lastname: DeHaven
mesh_terms: D003315:Cornea / Q000601:surgery*; D006801:Humans; D007646:Keratotomy, Radial / Q000379:methods*; D054018:Lasers, Excimer; D009216:Myopia / Q000209:etiology / Q000601:surgery*; D018903:Photorefractive Keratectomy / Q000379:methods*; D012086:Reoperation