What is posterior tibialis tendon surgery? Posterior tibialis tendon surgery is a way to fix the tendon on the back of your calf that goes down the inside part of your ankle. A surgeon can do a few ...

What Is Posterior Vitreous Detachment? Posterior vitreous detachment (PVD) is an eye condition that naturally happens with age, when gel that usually fills your eyeball detaches from your retina.

Posterior cortical atrophy (PCA) is caused by damage that builds up in the brain cells at the back of the brain. This is the part of our brain that processes information from our eyes, and allows us ...