title: Results of photorefractive keratectomy for myopia with the technolas keracor 116 excimer laser.
abstract: BACKGROUND
  The refractive results of first consecutive 157 myopic eyes undergoing photorefractive keratectomy with the Technolas Keracor 116 excimer laser are presented with a 6-month follow up.
  
  
  METHODS
  Preoperative refractive errors (spherical equivalent) ranged between -1.75 diopters (D) and -20.00 D (mean: -7.19 +/- 3.73). A single ablation zone ranging from 4.5 mm to 6 mm was used. In all eyes except for those with myopia over -15 D, emmetropia was a goal. Postoperatively patients used fluoromethalone drops for 1 month.
  
  
  RESULTS
  Treated eyes were divided into four groups based on preoperative myopia. Group 1 contained 15 eyes with myopia less than -3 D (93% were within +/- 1 D postoperatively). In Group 2 there were 53 eyes with preoperative myopia between -3.25 D and -6.00 D (64.1% were within +/- 1 D postoperatively). Group 3 consisted of 53 eyes with preoperative myopia between -6.25 D and -10.00 D (41.5% were within +/- D postoperatively). Group 4 contained 36 eyes with myopia over -10.00 D (13.8% were within +/- 1 D of attempted correction and 11.1% were within +/- 1 D postoperatively).
  
  
  CONCLUSIONS
  Our study suggests that excimer laser photorefractive keratectomy using a 4.5 to 6.0 mm ablation zone effectively reduces myopia; however, predictability decreases as the attempted correction increases.
authors.affiliation: Ege University, Department of Ophthalmology, Izmir, Turkey.
authors.forename: M
authors.initials: M
authors.lastname: Kaskaloglu
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D054018:Lasers, Excimer; D008297:Male; D008838:Microcomputers; D008875:Middle Aged; D009216:Myopia / Q000145:classification / Q000601:surgery*; D018903:Photorefractive Keratectomy / Q000295:instrumentation*; D012029:Refraction, Ocular; D016896:Treatment Outcome