Background: Diabetes Mellitus(DM) is a large public health problem which is rapidly escalating globally as well as in India affecting all age & sex groups. Uncontrolled & long duration of Diabetes Mellitus increase the risk of micro-vascular complications like Diabetic retinopathy.

Objective: To establish the association of glycated haemoglobin level & duration of Diabetes with presence as well as severity of Diabetic retinopathy.

Materials& Methods: The current study was conducted in a tertiary care teaching hospital in Kolkata, approved by the institutional Research & Ethics Committee. In this present study,107 Type 2 diabetic patients of 40 yrs of age & above were selected. Direct Ophthalmoscopy(Heineβ - 200) was used for detection of Diabetic Retinopathy (DR)and grading of DR, if present. Venous blood for FBS,PPBS, HbA1C estimation was taken aseptically. History of duration of Diabetes Mellitus was taken from OPD tickets of the patients.

Results & Conclusion: Results were analysed by using SPSS version 20. Kolmogorov Smirnov test, Shapiro Wilk test, Chi square test, Fischer Exact test, Man Whitney U & Kruscal Wallis test were used in statistical analysis where they are appropriate. Results showed that there was statistically significant association of high HbA1C level & long duration of Diabetes with presence and severity of Diabetic retinopathy.

Dr. Rajarshi Ash completed M.B.B.S. (Cal); D.O.(Ophthalmology); M.D. (Medical Physiology). He is 'Assistant Medical Superintendent' of Gourhat ESI Hospital under ESI(MB) Scheme of Labour Department; Govt. of West Bengal at present. He has been practicing in the field of Ophthalmology & General Medicine for last 25 yrs in Hooghly district of West Bengal; India. He got 'Binapani Baladev' Silver Medal in Pathology & 'Kalyani Nandi' Gold Medal in Psychiatry during M.B.B.S. curriculum in R.G.Kar Medical College. He was 'University Topper' in M.D. Examination'2021 in his discipline under West Bengal University of Health Sciences(WBUHS). He has 6 research publications on 'Diabetic Retinopathy' till date in reputed peer-reviewed National & International journals, indexed by Embase, DOAJ, Scopus etc. He is 'Life Member' of APPI (Association of Physiologists & Pharmacologists of India),OSWB(Ophthalmological Society of West Bengal),ACOIN (Association of Community Ophthalmologists of India), EIZOC (Eastern India Zonal Ophthalmological Congress) & KAO (Kolkata Association of Ophthalmologists). He was invited as 'Plenary Speaker' & 'Keynote Speaker' in 2nd & 4th Global meeting on 'Diabetes & Endocrinology' held in Paris & Bangkok respectively, organized by Scientex Conferences in 2022 & 2024.He presented his research paper in 'Indo-Bangladesh Friendship International Conference' in 2024 on 'Community Eye Healthcare' in Gopalganj of Bangladesh. He also participated as speaker in 65th National Conference of APPI in 2019, 8th State Conference of APPI in 2020,35th Annual Conference of EIZOC in 2022 & 54th Annual Conference of OSWB in 2023. He was invited as 'Guest Speaker' in 5th Annual Meeting of ACOIN Chhattisgarh State Oration Chapter in 2024.He obtained 'International Best Researcher Award’ in ‘ISSN International Science & Technology Award Congress’(IISTAC’2023) at Tiruchirappalli of Tamil Nadu, ‘International Outstanding Researcher Award’ in ‘International Congress for Research Excellence’(ICRE’2024) at Tiruchirappalli of Tamil Nadu, ‘Healthcare Icon of the Year’ in ‘World Healthcare Awards & Conference’ at New Delhi, ‘West Bengal Icon Award’ in ‘World Charity Awards Ceremony’ at Behala of Kolkata by ‘World Charity Welfare Foundation’, ‘Best Ophthalmologist of the Year’( Bango Ananyo Samman’2025) at Birati of Kolkata by ‘Rising Bharat Charitable Trust’ & ‘International Best Scientist Award' in ‘Scopus Index Conclave International Research Award’(SICIRA’25)at Tiruchirappalli of Tamil Nadu on basis of his research work in the field of Ophthalmology & Physiology till now. He is a good recitator and painter also.