CRVO and BRVO Risk Factors

Abstract

Introduction: BranchRetinal Vein Occlusion (BRVO), in which one of the branches of the main vein are blocked, andCentral Retinal Vein Occlusion (CRVO) in which the main vein of the eye is blocked often occur in elderly people and are the second to diabetes in producing disease of the vessels of the retina. The main causes of vein occlusions in middle and young aged population is not well understood. This study investigated the most important causes of central and branch retinal vein occlusions.