Effect of clear corneal incision on postoperative astigmatism after phacoemulsification surgery
Journal Title: Medpulse International Journal of Ophthalmology - Year 2017, Vol 3, Issue 3
Abstract
Background: Phacoemulsification with foldable I.O.L implantation is the global bench mark for treatment of cataract with excellent postoperative results. Manual SICS is inexpensive, and requires minimal infrastructure in comparison to phacoemulsification, therefore it is a preferred option in low cost settings such as developing countries. Aim and Objectives: To study the effects of clear corneal incision on postoperative astigmatism after phacoemulsification surgery Material and Methods: It’s a prospective study done on a total of 22 patients who underwent manual suture less SICS with superotemporal incision, between august 2015 to august 2016 for a period of 1 year at tertiary health care centre. The course of post-operative astigmatic changes were determined by keratometry performed with a standard calibrated Bausch and Lomb keratometer. Results: No any patient who underwent superotemporal incision showed high SIA (Surgically Induced Astigmatism) above 2.5 dioptre (D) at any given time, whereas on the contrary, less than 1 D of SIA was seen in 86.36 % patients. The incidence of post-operative against the rule (ATR) astigmatism increased from27.27 % to 40.90% i.e., by 13.63%. While, the incidence of post-operative with the rule (WTR) astigmatism decreased in superotemporal incision group and its decreased by 13.64 %. Summary and Conclusions: The decay of astigmatism from 3rd to 6th week in superotemporal incision is negligible implying early wound stabilization and therefore early spectacle correction (by 3rd week after surgery) in superotemporal incision type. Decreased astigmatism leads to better visual function and increased patient satisfaction.
Authors and Affiliations
Pankaj Vitthal Shaha, Narayan Sadashiv Arvikar
Keywords
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