Slide show: Age-related vision problems
Illustration of the eye showing the macula and retina
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Age-related macular degeneration (AMD) occurs when tissue in the macula — the part of your retina that's responsible for the center of your visual field — deteriorates. This causes a blind spot to form in the center of your vision.

AMD is often described as wet or dry. Wet macular degeneration occurs when new blood vessels grow and leak fluid beneath the macula. Most cases of wet macular degeneration develop from the dry type of macular degeneration, which isn't accompanied by bleeding.

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