A prospective study of Central Retinal vein Occlusion conducted at Govt. Regional Eye Hospital Visakhapatnam. Materials and Methods: 26 cases documented with in a period of one year, all the cases are examined, investigated, treated and followed up for a period of one and half years. Results: Incidence of ischemic CRVO is more as the age advances. Visual prognosis is good in non ischemic CRVO. Ischemic variant of CRVO not only ended with bad visual prognosis, but also serious complications. Conclusions: The incidence of ischemic and nonischemic CRVO is almost same. Proper follow up is mandatory to diagnose conversion of non ischemic to ischemic verity and to identify the impending compilations.