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The refractive power of the corneal epithelium in keratoconus

Poster Details

First Author: M.El Bakkali MOROCCO

Co Author(s):    M. Belmekki   A. Sami   Y. Oumzil              

Abstract Details


The authors evoke the pachymetry modifications of the corneal epithelium in suspect, progressive keratoconus and during control post CXL .


Corneal epithelium Keratoconus Crosslinking Pachymetry Corneal OCT


The patients concerned have benefited from a pachymetric exam of corneal epithelium using the OCT OPTOVUE machine .This study involved about 100 cases between January 2016 and January 2017


The preliminary results demonstrate the following: • High sensitivity of pachymetry variations( Pattern Standard Deviation) of corneal epithelium both in the case of suspect , progressive keratoconus; namely a thinning of the cone and a progressive increase of thickness in a centrifugal way relative to the cone ( DUNNEGHT ) This variation of the epithelial pachymetry (PSD) along the corneal surface is reported in the literature • Corneal thickness increasing after CXL in EPPIOFF lasts about 4 weeks .It is necessary to take account of this thickness both before CXL EPI-OFF and during post-operative control period .


Which place will epithelial mapping occupy in the diagnosis of suspect keratoconus , in the diagnosis of stable keratoconus ? and in CXL efficiency estimate?

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