Retinal vein occlusion (Central retinal vein occlusion, Branch retinal vein occlusion, CRVO, BRVO)

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Retinal vein occlusion

Alternate Names : Central retinal vein occlusion, Branch retinal vein occlusion, CRVO, BRVO

Definition

Retinal vein occlusion is a blockage in the blood supply from the retina -- the light-sensitive tissue in the back of the eye.

Overview, Causes, & Risk Factors

Veins of the retina can become blocked by a blood clot. Retinal vein occlusion also can occur when the retinal arteries put pressure on the retinal vein. This is usually caused by a condition such as:

Blood clot
Diabetes
Glaucoma
Hardening of the arteries (atherosclerosis)
High blood pressure

Retinal vein occlusion most often affects older people. Risk factors are related to the disorders that cause the blockage.

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Symptoms, Diagnosis & Tests

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Retinal vein occlusion : Definition
Retinal vein occlusion : Overview, Causes, & Risk Factors
Retinal vein occlusion : Symptoms & Signs
Retinal vein occlusion : Diagnosis & Tests
Retinal vein occlusion : Treatment
Retinal vein occlusion : Prognosis (Expectations)
Retinal vein occlusion : Complications
Retinal vein occlusion : Calling Your Health Care Provider
Retinal vein occlusion : Prevention
Retinal vein occlusion : References

Review Date : 4/22/2008
Reviewed By : Andrew A. Dahl, MD, FACS, Director of Ophthalmology Training, Institute for Family Health, Assistant Professor of Ophthalmology, New York College of Medicine, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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