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Description: Video illustration of changes in the eye associated with AMD. Age-related Macular Degeneration (AMD) is the leading cause of visual impairment and blindness in older Americans. It affects the retina, the light sensitive layer of the eye. As yellowish deposits form under the retina, they can result in distortion and gradual blurring of vision. This is called "dry AMD." The second type, called "wet AMD" can lead to bleeding and more rapid vision loss. The most common form is the dry type, but as more and larger deposits develop under the retina, the risk of developing the wet type increases.

Video Caption: (Video only; no audio.) The animation begins with a close-up of the face of an elderly woman. The face fades as the camera begins to zoom in on her right eye. The zoom continues and as the eye fills the screen, the front half disappears to reveal the light sensitive retinal layer at the back of the eye. Small yellowish deposits known as drusen are seen forming under the retina blurring the sharp central area of vision or macula. Individual drusen, coalesce forming larger areas of damage. Blood vessels growing up from below the retina leak blood under the retina. Pressure from these pockets of blood, damage the light sensing cells, destroying the ability to see straight ahead.

Credit: National Eye Institute, National Institutes of Health

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