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  5. FP2325 : Decision tree for management of Post-LASIK(Laser assisted in situ Keratomileusis) Ectasia

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Dr. Sneha Brijkishor Gupta

Dr. ROHIT SHETTY, Dr. SHARON DSOUZA, Dr. POOJA KHAMAR

Abstract

PURPOSE:To evaluate outcomes of treatment options forPost-LASIK ectasia(PLE)using an algorithm.METHODS:50 eyes of 46 patients with PLE underwent vision,tomography(Pentacam),biomechanical analysis(CorvisST)&amp;collagen distribution assessment on PolarisationSensitiveOpticalCoherenceTomography(PS-OCT).Based on this algorithm was devised to categorise them into groups that underwent intracorneal ring segments(ICRS)implantation+topo-guided Photorefractivekeratectomy(TPRK)+crosslinking (CXL)(18eyes),ICRSimplantation+CXL(22eyes),TPRK+CXL(10eyes).Postoperative assessment was done at1,3,6&amp;12months.RESULTS:There was significant(p<0.05)improvement inBCVA&amp;reduction in Kmax(avg preop 58.8Dto post-op 52.3D)with increase in corneal stiffening postoperatively evident on biomechanics&amp;PS-OCT. Spherical equivalent significantly reduced&amp;remained stable during follow-up(P>0.05)in all groups.Results were comparable.CONCLUSION:Algorithm helped to approach&amp;choose right procedure for PLE management.

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