Aim: To study the prevalence of Glaucoma and its sub types in North costal Andhra Pradesh in South India. Results: Among the total number of 2,98,971 General ophthalmic OPD individuals, 4836 individuals referred to Glaucoma clinic on suspicion of glaucoma and 4320 patients are confirmed to have glaucoma after doing relevant investigations. 1884 primary open angle glaucoma (POAG), 1057 Primary Angle closure disease (PACD), 702 glaucoma suspect or at risk, 82 Juvenile Open angle glaucoma, 43 Normal Tension Glaucoma, 41 Ocular hypertension, 489 Secondary glaucoma, 22 congenital & Developmental Glaucoma are identified. Conclusion: This study revealed the prevalence of various subtypes of glaucoma which varies ethnic wise. The prevalence of POAG is more (43.6%), followed by PACG (24.5%), secondary glaucoma (11.3%), Juvenile Open angle glaucoma (1.9%), Normal Tension Glaucoma (1%), ocular hypertension (0.9%), congenital glaucoma (0.5%).