J Korean Ophthalmol Soc > Volume 61(1); 2020 > Article
Journal of the Korean Ophthalmological Society 2020;61(1):59-68.
DOI: https://doi.org/10.3341/jkos.2020.61.1.59    Published online January 15, 2020.
Comparison of Visual Acuity and Retinal Thickness According to Membranectomy in Idiopathic Epiretinal Membrane.
Charm Kim, Hae Jung Sun, Sung Jin Lee, Kyung Seek Choi
Department of Ophthalmology, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Korea. ckseek@naver.com
특발망막앞막에서 막제거술에 따른 시력 및 망막두께 변화 비교
김 참 · 선해정 · 이성진 · 최경식
순천향대학교 의과대학 서울병원 안과학교실
Correspondence:  Kyung Seek Choi,
Email: ckseek@naver.com
Received: 13 June 2019   • Revised: 19 August 2019   • Accepted: 30 December 2019
To compare the visual acuity and retinal thickness in patients with an idiopathic epiretinal membrane (ERM) after vitrectomy and membranectomy using two different methods. METHODS: This retrospective observational study included 77 eyes (32 eyes in the diamond-dusted membrane scraper [DDMS] group, and 45 eyes in the intraocular forceps [IOF] group) of 77 patients with idiopathic ERM who underwent pars plana vitrectomy and membranectomy. The main outcome measures were best-corrected visual acuity (BCVA, logMAR) and mean retinal thickness. RESULTS: In the IOF group, the BCVA at postoperative 1 week was significantly lower than at baseline and had improved at 12 weeks after surgery. In the DDMS group, the BCVA at postoperative 1 week showed no significant difference at baseline and had improved at 4 weeks after surgery. The central macular thickness at postoperative 6 months was significantly lower than at baseline (all, p < 0.001); there was no significant difference between the two groups (p = 0.400). The postoperative macular thickness of the DDMS group was significantly lower than that of the IOF group in the inner inferior and outer inferior areas at postoperative 12 weeks and 4 weeks (p = 0.046 and p = 0.039, respectively). Five eyes of the DDMS group and 15 eyes of the IOF group developed cystoid macular edema, 14 eyes of that improved without treatment. CONCLUSIONS: In patients with ERM, the use of DDMS or IOF for vitrectomy and membranectomy both resulted in improved visual acuity and decreased mean retinal thicknesses.
Key Words: Diamond-dusted membrane scraper;Idiopathic epiretinal membrane;Membranectomy

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