[thelastguy]

Well, if Multiple Personality Disorder is real, then that means there's another person/personality/talking voice living inside your brain. And if that other person/personality/talking, who isn't you, takes over the area of your brain involve in sight, OR, if that person/personality/talking voice resides in the area in the brain involves in sight, and you/your personality/your talking voice do not reside in sight area of the brain, it would make sense that you will not be able to see, and only the personality residing in the sight area of the brain can see. OR... The personality/those other beings living inside you decide not to share the vision are of the brain with you, then your area of the brain would not be able to receive the visual information, and thus, you would be blind, but that other personality would not be.