Patients with diabetes mellitus who undergo cataract surgery can be prone for macular edema post-operatively.Aimof this study wasto compare thickness in diabetics and non-diabetics, pre post using SD-OCT. A Cohort of 50 diabetic non-diabetic patients presented to ophthalmology out patient department, aged 50–70 years underwent assessment SD–OCT surgery. The showed a steady increase time non-dia...