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¹Afyon Devlet Hastanesi, Göz Hastalıkları A.D., Afyon, Uzm. Dr.
²Başkent Üniversitesi , Göz Hastalıkları A.D., Ankara, Prof. Dr.
³Başkent Üniversitesi , Göz Hastalıkları A.D., Ankara, Uzm. Dr.
⁴Ege Üniversitesi, Göz Hastalıkları A.D., İzmir, Doç. Dr. Purpose: To evaluate the safety and efficacy of limbal relaxing incisions for correction of corneal astigmatism during phacoemulsification surgery.
Material and Method: The records of 38 eyes of 33 patients with 1.5 diopters or higher keratometric astigmatism who had combined cataract surgery and limbal relaxing incisions between 2004 and 2008 were retrospectively rewieved. LRIs were performed according to Gills nomogram. Keratometry and topography (Topcon KR-7000P) measurements before and 6 months after the surgeries were retrospectively rewieved. A specific vector analysis programme was used for the analyses of astigmatism.
Results: The mean values for preoperative and postoperative keratometric astigmatism were 2.60±1.04 D and 1.59±1.17 D, respectively. The mean surgical induced astigmatism was 2.15±1.23 D. Surgically induced astigmatism produced a mean of 1.77±1.13 D flattening in the surgical meridian. The mean change in spherical equivalent was -0.05 D. None of the patients experienced a decreased visual acuity and serious postoperative complications were observed.
Conclusion: Limbal relaxing incision is safe and effective astigmatism correction procedure with predictable results. Keywords : Astigmatism, limbal relaxing incision, vectorial analysis