Effect of neodymium: YAG laser capsulotomy on visual function in patients with posterior capsule opacification and good visual acuity

Erisa Yotsukura, Hidemasa Torii, Megumi Saiki, Kazuno Negishi, Kazuo Tsubota

研究成果: Article査読

14 被引用数 (Scopus)

抄録

Purpose To evaluate the effect of neodymium:YAG (Nd:YAG) laser capsulotomy on the visual function in patients with posterior capsule opacification (PCO) and good visual acuity. Setting Keio University Hospital, Tokyo, Japan. Design Observational case series. Methods Eyes were evaluated that had previous cataract surgery with a clinical diagnosis of PCO requiring Nd:YAG laser capsulotomy regardless of a good corrected distance visual acuity (CDVA) (at least 20/20). The CDVA, 10% low contrast visual acuity (LCVA), wavefront aberrations from the 3rd to 6th order, and retinal straylight were measured before and after Nd:YAG laser capsulotomy. Results The study included 16 eyes of 16 patients (10 men, 6 women; mean age 69.5 years ± 9.3 [SD]). The mean CDVA, LCVA, and straylight after Nd:YAG laser capsulotomy improved significantly (P <.05). The root mean square (RMS) of the 3rd Zernike coefficients (S3) and the RMS of the total higher-order aberrations (HOAs) from the 3rd to 6th order decreased significantly after capsulotomy (P <.05). The straylight correlated significantly with the total HOAs (r = 0.727, P = .002) and S3 (r = 0.748, P = .001) before capsulotomy. Subjective symptoms resolved after capsulotomy in all cases. Conclusions Neodymium:YAG laser capsulotomy enabled a significant improvement in visual function even in patients with PCO with good visual acuity. Straylight measurements might be useful to determine the indications for Nd:YAG laser capsulotomy when patients report visual disturbances without decreased visual acuity.

本文言語English
ページ(範囲)399-404
ページ数6
ジャーナルJournal of Cataract and Refractive Surgery
42
3
DOI
出版ステータスPublished - 2016 3 1

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Surgery

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