“The vascular system includes blood vessels called arteries and veins, which transport blood throughout your body, including your eyes. Your retina requires a constant supply of blood to make sure your cells get enough nutrients and oxygen. Blood also removes the waste your retina produces. However, it’s possible for one of the vessels carrying blood to or from the retina to become blocked or to have a blood clot. This is called an occlusion.”
yet another form of clots causing problems
“Blood also removes the waste your retina produces.”
Imagine how much waste your blood has to remove if you watch CNN or MSNBC!