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Corneal collagen cross-linking treatment in patients after laser in situ keratomileusis corneal ectasia

Poster Details

First Author: A.Haddad BELARUS

Co Author(s):    I. Zaboroyski   D. Abelski   V. Krasilnikova              

Abstract Details


to evaluate stability of corneal crosslinking (CXL) treatment in patients with post-laser in situ keratomileusis (LASIK) corneal ectasia.


10th City Hospital, Republican Opthalmological Center, Belarus, Minsk Belarusian Medical Academy of Post-Graduate Education


Retrospective research enrolled patients with post-LASIK ectasia who were treated with CXL. Spherical and cylindrical refractions, corneal topography keratometry (K) values, uncorrected (UDVA) and corrected (CDVA) distance visual acuity were measured. Mean follow-up terms were 22 month (range 15 to 28 months).


Study included 18 eyes (11 patients), 5 female, 6 male with the mean age of 32.7 �Â�± 6 (SD) years (range 24 to 41). The UDVA and CDVA improved significantly from 0,35�Â�± 0,21 to 0,54 �Â�±0,25 Decimal, and from 0,74 �Â�± 0,11 to 0,94 �Â�± 0,07. No eye lost 1 or more Snellen lines of UDVA or CDVA. The maximum K value decreased from 47.0 �Â�± 3.5 (D) to 45,7 �Â�± 3,2 D and remained stable in 16 eyes. There was no significant difference in mean spherical refraction, but mean cylindrical refraction decreased significantly. No serious complications occurred.


Corneal collagen crosslinking showed stability in patients with post-LASIK ectasia. Visual acuity, cylindrical refraction and K values improved significantly.

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