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  5. FP0806 : Corneal tomography in determining outcomes of Descemet Membrane Endothelial Keratoplasty in FECD

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Chief & Presenting Author: Dr.S. Chandra Devi

Co Author(s): Dr. Namrata Sharma, Dr.Prafulla Kumar Maharana, Dr.Anu Malik

Abstract

Purpose: To study the Scheimpflug tomography changes before and after surgery in patients undergoing DMEK for FECD.
Design: Retrospective observational study
Methods: The study included ten eyes of 10 patients with grade 4 FECD (Krachmer classification system) who underwent DMEK. Scheimpflug imaging was done in all eyes pre-DMEK and the imaging was repeated post-DMEK to look for changes in the tomographic features.
Results: Pre-DMEK, all eyes showed a loss of regular isopachs, displacement of the thinnest corneal point and posterior surface depression on tomography. Post DMEK, there was regularization of isopachs, shifting back of the thinnest corneal point and decrease or disappearance of posterior corneal depression in all the eyes. One eye which developed graft failure secondary to rejection developed a reversal of these changes signifying.
Conclusion: Scheimpflug tomography changes occur in eyes with FECD which reverse after successful DMEK.