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Branch retinal artery occlusion
- Retinal artery occlusion is a blockage in one of the small arteries that carry blood to the retina . The ... may occur in: All of one eye (central retinal artery occlusion or CRAO) Part of one eye (branch retinal ...
- Retinal vein occlusion is most often caused by hardening of the arteries ( atherosclerosis ) and the formation of a blood clot. Blockage of smaller veins (branch veins or BRVO) in the retina often occurs in places where retinal arteries that have been ...