Effect of intraocular lens and anterior capsule opening type on posterior capsule opacification

被引:23
作者
Birinci, H [1 ]
Kuruoglu, S [1 ]
Öge, I [1 ]
Öge, F [1 ]
Acar, E [1 ]
机构
[1] Ondokuz Mayis Univ, Fac Med, Dept Ophthalmol, TR-55070 Samsun, Turkey
关键词
D O I
10.1016/S0886-3350(99)00119-4
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Purpose: To determine the effect of intraocular lens (IOL) type and anterior capsulectomy technique on the incidence of posterior capsule opacification. Setting: Department of Ophthalmology, Medical Faculty, University of Ondokuz Mayis, Samsun, Turkey. Methods: Three hundred two eyes of 294 patients were examined retrospectively after IOL implantation in the capsular bag performed between February 1991 and November 1996. Patients were divided into 3 groups according to IOL type: poly(methyl methacrylate) (PMMA); heparin-surface-modified PMMA (HSM PMMA); plate-haptic silicone. Envelope capsulectomy or continuous curvilinear capsulorhexis (CCC) was used. Mean follow-up was 27 months (range 12 to 33 months). Results: Posterior capsule opacification developed in 47 cases (15.6%): 21.7% in the PMMA lens group after planned extracapsular cataract extraction (ECCE), 17.4% in the HSM PMMA lens group after planned ECCE, and 7.7% in the plate-haptic silicone lens group after phacoemulsification. Posterior capsule opacification occurred less in patients who had anterior capsulectomy using the CCC technique (11.5%) than in those having an envelope capsulectomy (24.5%) (P < .05). Posterior capsule opacification was significantly less in eyes with a capsular-bag-fixated plate-haptic silicone lens than in those with a PMMA or HSM PMMA IOL (P < .05). Conclusion: This study demonstrated that the anterior capsulectomy technique and the IOL type influence the incidence of PCO. (C) 1999 ASCRS and ESCRS.
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收藏
页码:1140 / 1146
页数:7
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