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Long-term alterations of pachymetry and topography after corneal cross-linking treatment (CXL) for keratoconus

Poster Details

First Author: S.Goel INDIA

Co Author(s):    S. Mukherjee   H. Parashar           

Abstract Details


To determine long term alterations of corneal thickness, along with topographic outcomes after corneal cross linking treatment (CXL) for keratoconus


Anand Hospital & Eye Centre, Jaipur


Retrospective case series 46 eyes with progressive keratoconus were included within the age group 15-26 years. Alleyes underwent CXL in accordance with the standard protocol (Dresden) for treatment of their ecstatic corneal disorder between August 2011 to September 2012 . Pachymetric and topographic outcomes were evaluated preoperatively and at 1,3, 6 , 12, 18, 24 months postoperatively.



A statistically significant decline was seen in corneal pachymetric values (at the thinnest location) when compared with preoperative values (476+ 42.78um) was demonstrated at 1, 3 , 6, 12, 18, 24 months postoperatively. Steep and flat keratometric values decreased along with keratoconus during follow-up signifying corneal stability after CXL and no statistically significant differences between pre-operative and postoperative intervals were found.(p>0.05, for all values for all time intervals.


Corneal pachymetric values reduce significantly upto 24 months after treatment.No significant changes concerning topographic outcomes was demonstrated after CXL indicating stability of parameters.

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