Retinal Vein Occlusion: Your retina has veins and other blood vessels that carry blood. When a vein in your retina is blocked (occluded), it is called a retinal vein occlusion. This can be caused by a blood clot. Or it can happen when a larger blood vessel presses down on the vein.
This leaflet is intended to provide you with general information. It is not a substitute for advice from your ophthalmologist. You are encouraged to discuss the benefits and risks of treatment with your ophthalmologist.