Anterior Eye Segment Analyser (Nidek EAS 1000) in Long-term Surveillance of Posterior Capsule Opacification
Dörrova P., Strmeň P.
Department of Ophthalmology, Comenius University School of Medicine, Bratislava
Purpose: Secondary cataract is the most frequent complication of the contemporary uncomplicated extracapsular cataract extraction and posterior chamber intraocular lens implantation. In our study anterior eye segment analyser EAS 1000 Nidek has been used for evaluation of posterior capsule opacification.
Method: During the time between Oct 2001 and April 2003, standardised retroillumination photographs of 91 eyes of 89 patients with intraocular lenses implanted after cataract extraction have been evaluated using the image analysis system EAS 1000 by Nidek. The area to be evaluated has been selected by user, by manually setting the areas circular border inside capsulorrhexis. The follow-up of patients consisted of series of planned examinations on day 1, day 7, after 3 months, 6 months and after one year.
Results: The 91 patients included in the study have been divided into different groups according to the IOL used. In the first group with PMMA-IOLs implanted the following values of transparency were encountered: after 6 months 95,6% for Nederlens IOL, 92,64% for Agena 550 IOL, and after one year 93,27% for Nederlens and 90,24% for Agena 550. Hydrophilic Acrylic IOLs transparency averaged after 6 months 98,36% for Softec (Lenstec), 96,42% for OII AS and 95,18% for Akreos Fit. Hydrophobic Acrylic foldable IOLs AcrySof MA60BM has shown a transparency of
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