title: Refractive results with secondary piggyback implantation to correct pseudophakic refractive errors.
abstract: OBJECTIVE
  To assess the efficacy and safety of implanting a second intraocular lens (IOL) to correct pseudophakic refractive errors.
  
  
  METHODS
  Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel.
  
  
  METHODS
  This prospective noncomparative case series included 10 pseudophakic eyes, 5 with a myopic residual refractive error and 5 with a hyperopic residual refractive error. All eyes had secondary piggyback IOL implantation with the IOL placed in the ciliary sulcus. Five types of IOLs were used to correct the residual refractive error.
  
  
  RESULTS
  The mean preoperative myopia was -6.6 diopters +/- 3.3 (SD), and the refractive outcome was within 0.5 +/- 0.7 D of the desired refraction (range -1.5 [undercorrected] and +1.0 D [overcorrected]). The mean preoperative hyperopia was +3.8 +/- 0.8 D, and the refractive outcome was within 0.46 +/- 0.4 D of the desired refraction (range 0 and 1.0 D overcorrected). All patients showed visual acuity improvement. Best spectacle-corrected visual acuity improved from 20/44 to 20/30 (P<.05).
  
  
  CONCLUSIONS
  An IOL type that is appropriate for implantation in the ciliary sulcus is a viable option for correcting pseudophakic refractive error using the piggyback technique.
authors.affiliation: Goldschleger Eye Institute, Sheba Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel. twilner@hotmail.com
authors.forename: Zohar
authors.initials: Z
authors.lastname: Habot-Wilner
authors.forename: Dan
authors.initials: D
authors.lastname: Sachs
authors.forename: Michael
authors.initials: M
authors.lastname: Cahane
authors.forename: Amir
authors.initials: A
authors.lastname: Alhalel
authors.forename: Howard
authors.initials: H
authors.lastname: Desatnik
authors.forename: Emanuel
authors.initials: E
authors.lastname: Schwalb
authors.forename: Irina S
authors.initials: IS
authors.lastname: Barequet
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D006956:Hyperopia / Q000601:surgery*; D019654:Lens Implantation, Intraocular / Q000379:methods*; D007910:Lenses, Intraocular; D008297:Male; D008875:Middle Aged; D009216:Myopia / Q000601:surgery*; D011183:Postoperative Complications; D011446:Prospective Studies; D019591:Pseudophakia / Q000601:surgery*; D012086:Reoperation; D014792:Visual Acuity / Q000502:physiology*