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Year : 2022  |  Volume : 36  |  Issue : 2  |  Page : 183-188

Clinical experience with an anti-dysphotopic intraocular lens

Péterfy Sándor Street Hospital‑Clinic, Jenő Manninger National Trauma Institute, Budapest, Hungary

Correspondence Address:
Dr. Zsófia Rupnik
Department of Ophthalmology, Péterfy Sándor Street Hospital-Clinic, Péterfy S. u. 8-20, Budapest 1076
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjopt.sjopt_191_21

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PURPOSE: Report experience regarding an anterior capsulotomy fixated intraocular lens (IOL) designed to prevent negative dysphotopsia (ND). METHODS: A prospective, nonrandomized clinical study was done at Péterfy Sándor Street Hospital-Clinic, and Jenő Manninger National Trauma Institute, Budapest, Hungary. The Morcher (Masket) 90S IOL has a circumferential groove on the optic that captures the anterior capsulotomy. Thus, part of the optic projects over and anterior to the capsule edge, while the bulk of the IOL is fixated within the capsular bag. We implanted the first version of the 90S IOL into the 40 eyes of 38 patients. These 40 eyes made up the primary investigational cohort. An additional 22 eyes received a modified version of the 90S IOL. The main outcome measure was the presence of ND. There was also a control group of 40 patients who received a single-piece monofocal aspheric hydrophobic acrylic IOL (877 FAB, Medicontur, Budapest, Hungary). RESULTS: None of our 66 test patients experienced ND during the follow-up period. After specific questioning, six patients reported nondebilitating PD that improved or disappeared completely in 5 cases. For the 40 eyes of the control group, there were 10 cases of ND on the first postoperative day and in 2 cases ND persisted for more than 1 year postoperatively. CONCLUSION: The 90S IOL can be used successfully to prevent ND. Since it is fixated by the anterior capsulotomy, additional advantages such as prevention of anterior capsule contraction, limited tilt, stable toric axis, perfect centration on the visual axis, and a more predictable lens position, among others, may be expected, and are under investigation.

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