title: Refractive change after vitrectomy for epiretinal membrane in pseudophakic eyes.
abstract: OBJECTIVE
  To report the change in refraction in pseudophakic eyes following 23-gauge vitrectomy for epiretinal membrane (ERM), without use of silicone oil, intraocular gas or scleral buckling.
  
  
  METHODS
  Retrospective review of the records of 28 pseudophakic eyes in 28 patients undergoing 23-gauge pars plana vitrectomy for ERM. All 28 eyes had a measured preoperative refraction in their records and were seen minimum 2 months after vitrectomy for measuring their refraction. Fellow eyes (28 eyes) were used as controls.
  
  
  RESULTS
  The mean preoperative refraction was -0.15 ± 0.85 dioptre (D), and the mean postoperative refraction was -0.41 ± 0.93 D. Thus, a myopic shift was observed following vitrectomy with a mean change in refraction of -0.26 ± 0.60 D (range +0.75 to -2.13 D, p = 0.032). The postoperative change in refraction was within ±0.25, ±0.50 and ±1.00 D in 39%, 68% and 96% of the eyes, respectively. The mean absolute refractive error was 0.47 ± 0.44 D. The change in refraction in fellow eyes was +0.01 D (p = 0.82).
  
  
  CONCLUSIONS
  The change in refraction following 23-gauge pars plana vitrectomy for ERM in pseudophakic eyes was -0.26 D.
authors.affiliation: Department of Ophthalmology, Glostrup Hospital, Copenhagen University Hospital, Glostrup, Denmark.
authors.forename: Hassan
authors.initials: H
authors.lastname: Hamoudi
authors.forename: Mads
authors.initials: M
authors.lastname: Kofod
authors.forename: Morten
authors.initials: M
authors.lastname: La Cour
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D019773:Epiretinal Membrane / Q000150:complications / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged; D019591:Pseudophakia / Q000150:complications* / Q000601:surgery; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D012189:Retrospective Studies; D014821:Vitrectomy