However alcohol makes your brains usually automatic response to moving objects slower. On the other hand when double vision is present with both eyes open but goes away upon looking with only one eye the cause may be neurological. Go Home Street Signs Street Signs Funny Signs Traffic Signs Only if you have two eyes will you see double when you are drunk. Why do you see double vision when drunk . Why do you see double sometimes when youre drunk. I could be absolutely fine all night but when I get home and watch TV I have to shut one eye to stop me spinning out. Double vision occurs when the brain cannot combine the images from each of the eyes into a single image. Brain aneurysm Brain tumor Migraine headache. The sixth nerve is one of the nerves responsible for the muscles that supply the movements of the eye. Squints are more common in children but they do not always cause double vision. Because of this eyesight is also affected negatively. The following injuries ...