Impact of the New Generation Anti-diabetic Drugs on Diabetic Retinopathy

This study is looking at whether newer diabetes medications — specifically SGLT2 inhibitors and DPP-4 inhibitors — have an effect on diabetic retinopathy, an eye condition caused by diabetes that can damage vision. Researchers want to understand if these drugs help protect eyesight or change how the condition progresses. **You may be eligible if:** - You have been diagnosed with type 2 diabetes for more than 5 years - You have been taking diabetes medications (such as metformin, sulfonylureas, SGLT2 inhibitors, or DPP-4 inhibitors) for 2 to 3 years **You may NOT be eligible if:** - You have gestational diabetes or type 1 diabetes - You already have severe or advanced diabetic eye disease (severe non-proliferative or proliferative diabetic retinopathy) - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.