Glenn Beck Announced during his appearance in Salt Lake City and currently under a medical treatment to threatening blindness that will come on his way because of this illness. According to Glenn Beck statement in the front of his American Revival Tour crowd, he might lost his eyesight due to the current condition of his eyes and he need time for his health just to keep his vision.
From WikiPedia: What is Vitelliform macular dystrophy or vitelliform dystrophy is a genetic eye disorder that can cause progressive vision loss. This disorder affects the retina, specifically cells in a small area near the center of the retina called the macula. The macula is responsible for sharp central vision, which is needed for detailed tasks such as reading, driving, and recognizing faces.
