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Optical low-coherence reflectometry in the calculation of intraocular lens power in silicone oil-filled eyes.

Authors
  • Piasecka, Katarzyna
  • Bednarski, Maciej
  • Michalewski, Janusz
  • Nawrocki, Jerzy
  • Michalewska, Zofia
Type
Published Article
Journal
Klinika oczna
Publication Date
Sep 01, 2016
Volume
117
Issue
4
Pages
243–248
Identifiers
PMID: 29727110
Source
Medline
Language
English
License
Unknown

Abstract

To evaluate the refractive outcome after combined surgery of silicone oil removal with phacoemulsification and intraocular lens implantation. We calculated ocular lens implantation power with optical low-coherence reflectometry (Lenstar LS900; Haag Streit, Koniz, Switzerland) in silicone oil-filled eyes. Prospective, comparative study. The intraocular lens power of 35 silicone oil-filled eyes of 35 patients was calculated with a Lenstar LS900 laser biometer. In all cases we performed a combined procedure of pars plana vitrectomy with silicone oil removal and phacoemulsification with intraocular lens implantation. We analyzed the spherical equivalent of predicted and postoperative refractive error. A control group consisted of 25 cases of cataract extraction and intraocular lens implantation in non-vitrectomized eyes. The mean deviation of the final refraction was -0.03 ± 1.06 diopters and did not differ significantly from non-vitrectomized eyes (P < 0.05). 68.6% eyes had a deviation of ±1 diopter. There were no differences between high myopic and emmetropic silicone oil-filled eyes (-0.05 ±1.33 diopters vs. -0.03 ± 1.00 diopters; P < 0.05). Optical low-coherence reflectometry enables accurate intraocular lens power calculations in silicone oil-filled eyes. The refractive outcome is as accurate as in non-vitrectomized eyes.

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