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Modification of pachymetry measurements after intracorneal ring segment implantation in keratoconus

Poster Details

First Author: O.Prisant FRANCE

Co Author(s):    C. Assadi   T. Bernier           

Abstract Details



Purpose:

Pachymetry measurement is mandatory before intracorneal ring segments implantation and before cross-linking in keratoconic patients. The aim of this study is to measure the effect of ring segments implantation on pachymetry measurements using Orbscan and Pentacam.

Setting:

Clinique de la Vision, Paris, France

Methods:

We retrospectively compared preoperative and 1 to 3 months postoperative minimal pachymetry in eyes implanted with 5 or 6 mm Keraring or Ferrara intra corneal ring segments, using Orbscan and Pentacam.

Results:

55 keratoconic eyes implanted with 5 or 6 mm intracorneal ring segments between June 2010 and October 2012 were retrospectively included in this study. Using Orbscan, minimal pachymetry measurements significantly increased from 420 +/- 57 microns preoperatively to 435 +/- 54 microns postoperatively. Pentacam minimal pachymetry measurements significantly increased as well from 449 +/- 42 microns preoperatively to 459 +/- 44 microns postoperatively.

Conclusions:

Intracorneal ring segments implantation in keratoconic eyes significantly increases minimal corneal pachymetry measurements using Orbscan and Pentacam.

Financial Disclosure:

NONE

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