Central Retinal Vein Occlusion (CRVO)

A Central Retinal Vein Occlusion (CRVO) is a pathological condition where a blockage of blood flow occurs in the central retinal vein and causes a decrease in vision. With CRVO, retinal exams may show: retinal thickening, enlarged veins, retinal hemorrhages and edema in the optic nerve margins. Vision may slowly improve over time.

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