I'm not going to waste my time typing up all the medical stuff to tell you but heres a short version: you're going blind, tough luck to ya.
that usually happens to my dad when he has a little too much weed and falls asleep with his face down (still wearing his, contact lens) usually plenty.of water and eye drop helps clear in a week. 
She was throwing up yesterday, and having a husband with this same problem, I am pretty sure it is weak blood vessels.
Mintee , just go to the doctor and ignore us all.