Arteries supply the retina with blood, and veins carry blood away. Sometimes, a vein becomes partially or completely blocked. This is called retinal vein occlusion, or RVO.

There's arteries, and there's veins. And so your body can generate a thrombosis or an occlusion-- so that's a little plaque or some other reason why the blood flow through those retinal veins gets ...

Unlike arteries, veins contain valves that prevent backward flow as blood travels against gravity, particularly in the legs. ... causing distinctive skin changes visible to the naked eye.

N EW DELHI: The shape and size of veins and arteries on your retina can predict stroke risk almost as accurately as traditional risk factors, but without the need for invasive tests, according to ...

A branch retinal artery occlusion occurs when one of the small arteries in your retina is blocked. A blockage in one of these blood vessels might cause the loss of a section of your visual field ...

Branch retinal vein occlusion (BRVO) is when a blockage forms in the veins branching off the retina, which can disrupt blood flow. Treatment depends on the type of blockage and severity of the damage.

Heart disease is often associated with the heart and arteries, but its effects extend far beyond the cardiovascular system.

Retinal vascular occlusion occurs when small veins in the back of the eye become blocked and blood cannot flow through. ... Blood clots can form in veins or, less commonly, arteries.

NEW DELHI: The shape and size of veins and arteries on your retina can predict stroke risk almost as accurately as traditional risk factors, but without the need for invasive tests, according to a ...