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.

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.

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 ...

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.

Age or disease may change the character of the eye veins and arteries, but not their position. For six years (1920-26), Dr. Simon was a New York City deputy police commissioner.

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

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 ...