Aim: To determine Knowledge, attitude and practices (KAP) about Diabetic Retinopathy in diagnosed Diabetic patients at outpatient department of district head quarter hospital Sahiwal Pakistan. Introduction: Diabetic Retinopathy is a diabetes complication that affects eyes. It is caused by damage to the blood vessels of the light sensitive tissue at the back of the eye (retina). The longer you have diabetes and the less controlled your blood sugar is, the more likely you are to develop this eye complication. Methodology: This was hospital based, descriptive, cross sectional study. A written informed consent was taken from the all patients to take part in this study. Data was analyzed by using statistical package for social sciences SPSS version 24. Results: In this study 72 patients were included out of which 30 (41.7%) were male and 42 (58.3%) were female. Out of these 72, majority 42 (58.3%) patients had no knowledge about diabetes and only 30 (41.7%) patients had good knowledge regarding diabetic retinopathy. Conclusion: In this study, knowledge about diabetic retinopathy was not as satisfactory. Knowledge about Diabetic retinopathy was even lower than diabetes. Results for practices were totally different from knowledge. Practices for controlling diabetes regarding diet was good but regarding exercise showed poor results.