MACULAR DEGENERATION
Age related macular degeneration is the leading cause of visual impairment among
persons age 75 and older. It is the most common cause of new cases of visual
impairment among those over age 65 (Prevent Blindness America, 1998 2000).
More than 1.6 million people age 50 and over in the U.S. have late age related macular
degeneration (involving geographic atrophy or neovascularization) (Prevent Blindness
America, 2002).
An estimated 5% of people age 65 and older in the U.S. have some visual impairment
as a result of macular degeneration (National Advisory Eye Council, 1993). Based on
2000 population estimates, this represents approximately 1.7 million older persons.
As the U.S. population ages, more elderly persons will become blind from macular
degeneration than from glaucoma and diabetic retinopathy combined (National Advisory
Eye Council, 1998, p.14).
Conservatively, it is estimated that approximately 8 million persons worldwide are blind
or severely visually impaired because of macular degeneration (World Health
Organization, 1997d).
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