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Comparison of a silicone with a hydrophobic acrylic intraocular lens on posterior capsule opacification

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Session Details

Session Title: IOL technology/New IOLs etc.

Session Date/Time: Saturday 13/09/2014 | 08:30-10:30

Paper Time: 10:02

Venue: Boulevard A

First Author: : S.Schriefl AUSTRIA

Co Author(s): :    C. Leydolt   E. Stifter   D. Podkowinski   R. Menapace     

Abstract Details


To compare the development of posterior capsular opacification (PCO) and frequency of Nd:YAG capsulotomy between a silicone and a hydrophobic acrylic 3-piece intraocular lens (IOL) 2 years after surgery.


Department of Ophthalmology, Medical University of Vienna, Austria


Sixty patients (120 eyes) were included in this prospective randomized trial with intra-patient comparison. Each patient randomly received a silicone IOL (KS-3Ai, Dr. Schmidt) in one eye and a hydrophobic acrylic IOL (KS-Xs, Dr. Schmidt) in the contralateral eye. Eyes were examined 1 week and 2 years after surgery. Digital retro-illuminated images of each eye were evaluated using a fully automated quantification of after-cataract software (AQUA). The Nd:YAG laser rate was noted.


There was no statistically significant difference in posterior capsule opacification (PCO) 2 years after cataract surgery: An objective PCO score of 0 [0; 4.55] was found for the silicone IOL group and of 0 [0; 3.63] for the hydrophobic acrylic IOL group (p=0.517). At the 2-year follow-up, both groups presented with comparable YAG rates: 6.9% compared to 3.4% (p = 0.134).


Both IOLs showed low PCO and YAG capsulotomy rates at the 2-year follow-up. Further Follow-up is planed.

Financial Interest:


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