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First Author: A.Grumann BRAZIL
Co Author(s): N. Flügel P. Santa Ritta
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To evaluate the post-operative results whe using an intraocular lens (IOL) during cataract surgery.
A retrospective, cross-sectional and analytical study of 95 eyes of 67 cataract patients who underwent phacoemulsification placement with Acrysof toric IOL (Alcon Laboratories, Inc., Forth Worth, Texas) during the period of January 2010 to December 2012. For analysis purposes, it was considered successful when the residual astigmatism was ? 0.75 diopters. The Wilcoxon test was used for related samples to compare non-parametric samples, while the T student test was used for normally distributed samples. A p <0.05 significance level was granted.
In this sample of 95 eyes there was no difference between gender or the side affected. The average age of the population was 73.00 (±10.87), ranging from 48 to 94 years. The pre-operative spherical component averaged +0.87 (±2.89), since the cylindrical average was -1.53 ??(±2.89), with a predominance of an against-the-rule axis (51.6 %). The logarithmic visual acuity (Logmar) pre-operative average was 0.32 (±0.26). Surgical success (residual astigmatism ? 0.75 diopters) was obtained in 71 eyes (74.3%), with a significant decrease (p <0.01) post-operatively, of the average cylindrical component and logarithmic visual acuity, with respective values of -0.61 (±0.56) and 0.08 (±0.14).
The toric lenses were safe and reproducible with regards to post-operative results, therefore becoming an important option for obtaining excellent final refractometric results, an increasingly common requirement in cataract surgery.