Age-related macular degeneration (AMD), left untreated, is the leading cause of severe, permanent vision loss in Americans over 50. More than eight million people have earlier stages of AMD. This disease of the macula, the central and most sensitive part of the retina, can rob people of central vision. Left with only peripheral vision, they may struggle to identify faces, read books and watch TV, because they can see the side or peripheral vision, but not straight ahead. Read More