Descemet Membrane Endothelial Keratoplasty vs. Descemet's Stripping With Endothelial Keratoplasty vs. Descemet Stripping Only

Incidence of Post-operative Cystoid Macular Edema: A Prospective Study Comparing DMEK, DSEK, and DSO

This study aims to evaluate and compare incidence of post-operative cystoid macular edema (CME) after Descemet Membrane Endothelial Keratoplasty (DMEK), Descemet's Stripping Automated endothelial Keratoplasty (DSEK) and Descemet Stripping Only (DSO).

Patients that are undergoing any of these procedures will be asked if they are willing to have a baseline pre-operative Optical Coherence Tomography (OCT) scan completed within 4 weeks of surgery. Additional OCT scans will be collected during routine follow up care. It is hypothesized that the rates of CME will be lower with DSO compared to DMEK and DSEK.

Inclusion Criteria:

• Any patient that is undergoing DSO or endothelial corneal transplantation vis DMEK or DSEK

Exclusion Criteria:

• Patients that do not have an optical coherence tomography measurement pre- operatively
• Patients that don't have an optical coherence tomography measurement post- operatively
• Patients with a previous history of uncontrolled macular edema