If several valves in a vein and the vein itself are heavily damaged, the vein (or the diseased part of the vein) is removed (stripped). An incision is made below the vein, a flexible instrument is ...

So the first type is to base a retinal vein occlusion based on the parts of the retina that it's involving. So you can have something called a central retinal vein occlusion, and that's where you ...

Deep vein thrombosis (DVT ... DVT is most common in the legs, though it may develop in other parts of the body, such as the arms or pelvis. Normal blood clots develop in response to an injury ...