Branch Retinal Vein Occlusion (BRVO)

A Branch Retinal Vein Occlusion (BRVO) is a pathological condition where blockage of blood flow occurs in a tributary of the central retinal vein. Usually it will cause a decrease in vision.  Often the blockage is caused by an hardened, overlying artery. With BRVO, flame-shaped hemorrhages, cotton wool spots, macular edema and retinal vein engorgement may be present.
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