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前囊旋动型人工晶状体

Swivel haptics anterior capsule-fixated intraocular lens.

机构信息

Department of Phaco and Refractive, Nethradhama Superspeciality Eye Hospital, Bengaluru, Karnataka, India.

出版信息

Indian J Ophthalmol. 2018 Sep;66(9):1307-1309. doi: 10.4103/ijo.IJO_665_17.

Abstract

The purpose of the study is to report the feasibility of implantation of a new design of anterior capsule-fixated intraocular lens (IOL). The new IOL design is a foldable, hydrophilic, open-loop posterior chamber IOL with two extra polymethyl methacrylate swivel haptics created on the optic surface to capture the anterior capsulotomy after the IOL is implanted in the bag. In the pilot phase, the new IOL was implanted in 10 eyes of 10 patients of which 8 eyes underwent phacoemulsification and 2 eyes had laser cataract surgery. The mean spherical equivalent changed from *1.75 D to -0.75 D at 6 months. Postoperatively, from 1 week to 6 months, all eyes showed stable refraction and anterior chamber depth with no evidence of decentration. Subjective questionnaire revealed high patient satisfaction with no complaints of dysphotopsia. No intra- or postoperative complications such as swivel haptic breakage, iris chafing, pigment dispersion, postoperative uveitis, or endophthalmitis occurred in any of the eyes necessitating explantation of the IOL. The new IOL design was feasible to implant and provided satisfactory outcomes in terms of no dysphotopsias and stable effective lens position.

摘要

本研究旨在报告一种新型前囊膜固定型人工晶状体(IOL)植入的可行性。这种新型 IOL 设计为折叠式、亲水性、开环后房 IOL,在光学表面上增加了两个额外的聚甲基丙烯酸甲酯(PMMA)旋转襻,以便在 IOL 植入囊袋后固定前囊膜切开口。在初步阶段,该新型 IOL 被植入 10 例患者的 10 只眼中,其中 8 只眼行超声乳化白内障吸除术,2 只眼行激光白内障手术。术后 6 个月,平均等效球镜从 *1.75 D 变为 -0.75 D。术后 1 周至 6 个月,所有患者的屈光度和前房深度均保持稳定,无偏心证据。主观问卷调查显示,患者满意度高,无视觉不适的抱怨。所有患者均未发生旋转襻断裂、虹膜擦伤、色素播散、术后葡萄膜炎或眼内炎等术中或术后并发症,无需取出 IOL。新型 IOL 设计可行,在无视觉不适和稳定有效晶状体位置方面提供了令人满意的结果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db23/6113843/3353a32fc42f/IJO-66-1307-g002.jpg

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