Comparison of surgically induced astigmatism in straight versus inverted V shaped 'Chevron' incision in manual small incision cataract surgery
Journal Title: IJAR-Indian Journal of Applied Research - Year 2017, Vol 7, Issue 1
Abstract
Background: This study was undertaken to compare two types of incisions- straight and inverted V ‘Chevron’ incisions in manual small incision cataract surgery (MSICS) with regards to surgically induced astigmatism. Methods: A prospective comparative study involving 100 eyes of 100 patients who underwent MSICS at Justice K S Hegde Charitable Hospital, Deralakatte was carried out from July 2012 to July 2014. All patients were subjected to a detailed ocular examination. Out of the 100 patients who underwent MSICS, 50 were randomized into Straight incision group and 50 intoInverted V shaped ‘Chevron’ incision group respectively. Results: No statistically significant difference noted in post-operative uncorrected and best corrected visual acuity. However, only 22% (n=11) of the patients who underwent MSICS with inverted chevron incision had SIA > 1.5 D, as compared to 48% (n=24) in the straight incision group, which was statistically significant. Conclusions: Inverted V shaped ‘chevron’ incision results in lesser post-operative astigmatism.
Authors and Affiliations
Dr. Vijay Pai, Dr. Nita Raghavendra Bhat, Dr. Subrahmanya Bhat K
Keywords
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