Yes, drunk will cause double vision. As you are drunk, the alcohol in your body will interfere the intake of Vitamin A, Vitamin B1 and weaken your eye muscle coordination. Furthermore, alcohol affect the brain stem and the nerves that control your eye movements and tracking. Thus slows down the active of brain so you can't get the eyes tracking on something quickly and then cause double vision. Besides, alcohol contains too much stimulating elements inside which may irritate the tiny blood vessels on the surface of the eye, and make your sclera to become dilated and inflamed. These irritations depletes the nutrients of brains and eyes, which can impair eyesight and even lead to blindness. In all, drinking alcohol will not only cause double vision and damage your brain, but also do great harm to your other organs like liver, heart, skin and so on. Therefore, you'd better control it for your own health.
