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. 2007 Feb;85(1):99-102.
doi: 10.1111/j.1600-0420.2006.00758.x.

Influences of optic edge design on posterior capsule opacification and anterior capsule contraction

Kazunori Miyata  1 , Satoshi Kato, Ryohei Nejima, Takashi Miyai, Masato Honbo, Shinichiro Ohtani
Affiliations
Free article

Influences of optic edge design on posterior capsule opacification and anterior capsule contraction

Kazunori Miyata et al. Acta Ophthalmol Scand. 2007 Feb.
Free article

Abstract

Purpose: To investigate the influence of optic edge design on posterior capsule opacification (PCO) and anterior capsule contraction (ACC).

Methods: A total of 43 eyes of 43 patients scheduled to undergo cataract surgery were included in this study. Patients received either a Sensor AR40 intraocular lens (IOL) or a Sensor AR40e IOL. The area of the anterior capsule opening (ACO) was determined by diaphanoscopy using the anterior eye segment analysis system EAS-1000 at 1 day, 1 week and 1, 3, 6 and 12 months postoperatively. Posterior capsule opacification was evaluated objectively in two ways, using either the EAS-1000 or POCOman.

Results: There was no significant difference between the two groups in either ACO area or percentage reduction of ACO area at any time-point after surgery. The difference in the degree of PCO 1 year after surgery was not significant when measured by either the EAS-1000 or POCOman.

Conclusions: A sharp IOL edge is required to prevent PCO. Sharp-edged IOLs do not appear to be a risk factor for ACC.

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