·         Objective:This study is aimed to determine the most common risk factor of branch retinal vein occlusion in Indian population.

·         Design:It is a retrospective, observational studybased on hospital records.

·         Subjects: 300 eyes of 300 patients were studied, out of which 236 were men (78%) and 64(21.3%) were women. The age of patients ranged from 60 to above 90 years.

·         Analysis:  Most common risk factors and most common site of branch retinal vein occlusion were analyzed.

·         Results: Out of 300 patients 64 %(192) patients had hyperlipidemia , 26%(78) patients had hypertension and 6%(18) patients had glucose intolerance and 4%(12) patients had unknown cause.

·         Conclusion:The retrospective study showed that hyperlipidemia was the most common cause.