Study of ocular manifestation of snake bite at tertiary care hospital, Valsad

Introduction: All over the world, cases of snake bite via poisonous snakes are common and as India is a tropical country great variety of snakes are present. Almost 60,000 people are bitten by snakes every year in India with a mortality rate of almost 25%. Various ocular manifestations like angle closure glaucoma, optic neuritis, external ophthalmoplegia and vitreous hemorrhage following snake bite may result in blindness. The present study was conducted with an aim to study various ocular manifestations of snake bite among cases came to tertiary care hospital, Valsad. Materials and methods: Total 100 cases were included with history of snake bite with ocular manifestations over a period of 2 years from January 2015 to December 2017 from records at tertiary care hospital, Valsad. Detail history and complete ophthalmologic examination findings of every case were taken for study. Results: Out of 100 cases, 78 were male and 22 were female. Maximum cases (26%) were in age group of 41-50 years while least cases (4%) were in age group of < 10 years. Most common snake was viper (71%) unknown (17%) followed by cobra (12%). Most common ocular manifestation was subconjunctival hemorrhage (70%), followed by acute anterior unveitis (32%). Least common finding was external ophthalmoplegia (12%). Conclusion: Subconjunctival hemorrhage is the most common finding in snake bite case with ocular manifestation. Male are more prone to snake bite and cases are common in age group of 41-50 years.