Double Vision More Condition_symptoms Double Vision ? ? ? ?

Double vision ? ? ? ? - double vision more condition_symptoms

I have double vision when I exert myself physically.
No drugs, no drugs, no STD in the past year.

If I make a series of push-ups, I must throw a double vision for about 20-40 seconds, depending on how hard they work.
Today, it happened when he sat on a video game. I was a little tense, and it was hot in the room ...

No idea what is wrong. Have you ever blood test. In the meantime, ideas?