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Combined femtosecond laser assisted intrastromal ring segment implantation and collagen crosslinking for the treatment of keratoconus

Poster Details

First Author: F.Adibelli TURKEY

Co Author(s):    I. Taskin   A. Tekin   A. Akal        

Abstract Details


The aim of this study was to evaluate the effectiveness of combined femtosecond laser assisted intrastromal corneal ring segment (ICRS) implantation and collagen crosslinking (CXL) for the treatment of keratoconus patients.


Adana Maya Göz Merkezi


Consecutive 46 eyes of 32 keratoconic patients had combined femtosecond laser assisted ICRS implantation and CXL. The main outcome measures included uncorrected distance visual acuities (UDVA) and corrected distance visual acuities(CDVA) in decimal, sphere(S), cylinder (C), and mean keratometry(K) reading before and after the treatment.


The mean UDVA value improved from 0,17± 0,18 before the operation to 0,41± 0,28 ( P<.0001) 3 months after the operation.The mean CDVA improved from 0,47±0,24 to 0,59±0,24 ( P<.001), the mean S value decreased from 3,25±3,25 D to 1,98±1,82 D ( P<.001), the mean C value improved from 4,7±2,29 D to 3,32±1,82 D ( P<.0001), and the mean K reading improved from 49,03±3,57 D to 46,69±2,74 D ( P<.0001). Statistically significant reductions of S, C, and K reading were found 3 month after the surgery.There were no intraoperative or postoperative complications.


Combined ICRS and CXL treatment was effective and safe procedure in keratoconic eyes.

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