Nearly 2 million Americans ages 40 and older are affected by age-related macular degeneration (AMD), which is a leading cause of vision loss in older adults, according to estimates from the Centers for Disease Control and Prevention (CDC). This eye disorder is more likely to occur after age 60, but it can occur at earlier ages. Also called macular degeneration, AMD causes damage to the macula, the part of the eye needed for sharp, central vision, meaning the ability to view objects that are straight ahead. Central vision is needed for seeing objects clearly and for doing such common activities as driving, reading, writing, cooking, dialing a phone and recognizing faces.
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