An epiretinal membrane is a "growth" on the top of your retina that wrinkles your retina without tearing
a hole in it. It can be peeled from the retina with vitrectomy
surgery. Here is a good article on this topic:
There are different stages of a macular hole, as described by the Late Dr. Donald Gass. Here is an excellent article on this topic:
PVR is a very serious and difficult complication of a retinal detachment
that was caused by a tear (rhegmatogenous RD). I, very much, do not like PVR, even though I frequently have to deal with it. Here is a very good article on this:
You are going to be the best informed patient in the entire waiting room :o)
Let me know if there is anything else I can help you with.