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  5. FP2286 : A Novel Decision Tree with Biomechanics in Refractive Surgery

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Dr. Sneha Brijkishor Gupta

Dr. ROHIT SHETTY, Dr. POOJA KHAMAR

Abstract

PURPOSE:To analyze outcomes of Refractive Surgeries planned according to novel algorithm based on corneal biomechanical indices.METHODS:Patients fit for surgery underwent tomography (Pentacam)&amp;biomechanics(Corvis-ST) preoperatively.These were categorized into Group1(100eyes):normal(N) topographical &amp;biomechanical indices, Group2(100eyes):N topography&amp; borderline (BL) biomechanics,Group3(80eyes):BL topographical &amp; N biomechanical indices &amp; Group 4(65eyes): abnormal topographical &amp; biomechanical indices.Refractive surgery was performed according to algorithm.Postoperatively (1,3,6,12 months&amp;3years) vision, tomography &amp; biomechanics was assessed.RESULT:There was no significant difference in efficacy &amp; safety index(P < 0.05)in 4groups. 3years post-surgery, none developed ectasia. Excellent ICC (>0.9) demonstrated accuracy of algorithm.CONCLUSION:This algorithm based on biomechanical indices used for planning refractive surgeries showed excellent outcomes thus was beneficial clinically.

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