Diabetes mellitus (DM) is a big threat to wards public health. In 2013 >382 million people suffered from DM. The diabetes mellitus type 1(T1DM) is an autoimmune disorder and T1DM leads due to many factors i.e. environment, heredity, etc. Patients with DM are leads to be diabetic retinopathy (DR).The number of DR patient’s increases due to increasing the prevalence of DM. In DM patient's comments, the complication is DR, chronic damage of the micro blood vessels in the retina is leads to be DR. Most common complication of T1DM is DR, representing the leading cause of blindness in young adults. The purpose of the present research was to evaluate the frequency of DR of different age group patients with T1DM and was conducted in the medical outdoor patients (OPD) of two main hospitals named Civil Hospital Hyderabad and LUMHS Hospital Jamshoro from July 2018–to December 2018. The results found that out 180 DR patients were enrolled in the present study. Out of 180 patient DR 120 (66.66%) males and 60 (33.33%) females. Out of 180 DR patients, 117 (65%) patients have non-Proliferative (NPDR) & 63(35%) have Proliferative (PDR). Out of 117 NPDR, 50 patients were mild NPDR, 35 patients were moderate NPDR and 32 patients were severe NPDR. Of the total DR patients, the majority 100(55%) had 15-20 years of duration of T1DM, followed by 60 (%) 10-15 years and 20 (%) up to 10 years. The results found that the maximum number of patients of DR were at the age 26– 30 years 99 and 81 patients of 20-25 years of age. Out of 180 DR patients, 60 have a positive family history and 120patients have a negative family history. Out of 180 DR patients, 30 had good glycemic control and 150 patients had poor glycemic control. Out of 180DR patients 100 patients were hypertensive (BP >145/95mmHg and 80 patients were normotensive (BP <145/90mmHg).