What causes double vision?

Question

What causes double vision?

Answer 1

I think when my eye doctor said I had double vision was that my eyes were not working together and you know when you close one eye and what you are staring at moves that's what happens. Plus sometimes one eye turns off I'm not sure if one eye turns off is a double vision problem but I know that your eyes aren't working together is.

Answer 2

Many things. It can be a sign of multiple sclerosis.

Answer 3

LSD