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Corneal epithelial mapping with high-resolution OCT in keratoconus

Session Details

Session Title: Imaging II

Session Date/Time: Monday 07/10/2013 | 16:30-18:00

Paper Time: 16:42

Venue: Main Lecture Hall (Ground Floor)

First Author: : G.Baikoff FRANCE

Co Author(s): :    E. FUENTES              

Abstract Details


The high resolution OCT can measure the corneal epithelium with a ± 2µm precision. Several authors have described epithelium disorders in keratoconus patients with an importance for screening "forme fruste" keratoconus. The aim was to establish a relationship between the epithelial thickness and the anatomy of the cone.


Clinic Monticelli, 88 rue du Cdt Rolland, 13008 Marseille, France


100 frank keratoconus’ were studied. An isolated analysis is carried out on a few "forme fruste" keratoconus. The OCT scanning zone is 6mm. The parameters retained were: minimum corneal pachymetry, minimum epithelial thickness, maximum epithelial thickness, the difference between epithelial thicknesses (? mini – max), and superior - inferior variations (? S – I), the steepest keratometry (KS), mean keratometry (KM)


It appears that the epithelium thickness, the differences of epithelium thicknesses (? mini – max), (? S – I) are closely linked to the minimum corneal thickness, the steepest keratometry and the mean keratometry. However, we are not sure of a significant relationship for the "forme fruste" keratoconus


Keratoconus severity (thinning and steepening of the cornea) is closely linked to the epithelial variations: minimum thickness, differences of thicknesses (min – max) superior - inferior variations

Financial Interest:


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