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Outcomes of accelerated corneal cross-linking in keratoconic eyes with thin corneas

Poster Details

First Author: D.Ozek TURKEY

Co Author(s):    O. Kemer                    

Abstract Details


The aim of this study was to evaluate the outcomes of accelerated corneal cross-linking (CXL) performed keratoconic corneas with the thinnest pachymetry values less than 400 �Â�µm.


Ankara Numune Research and Training Hospital


Twenty eight eyes of 24 patients were included in this study. The uncorrected (UCVA) and best corrected visual acuity (BCVA) with logarithm of the minimum angle of resolution (log-MAR), flattest and steepest keratometric (K) readings, central corneal thickness at the thinnest point (t-CCT), corneal higher-order aberrations with corneal topography, and contrast sensitivity (CS) with Hamilton-Veale chart were assessed before and at the end of the first, third, sixth and twelfth months after CXL.


Follow up 1 year after CXL; The mean BCVA and contrast sensitivity were increased (p = 0.01, p= 0.02), while the mean UCVA did not show any difference (p > 0.05). Although the mean flattest K (p= 0.58) was found showing no change, steepest K readings were decreased (p = 0.001). No change was observed in the mean t-CCT at the end of the year (p = 0.12).


It was observed that the accelerated CXL in keratoconic eyes with thin corneas was capable of halting the progression of keratoconus in corneas thinner than 400 �Â�µm after 12 months of treatment.

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