From information provided by the American Foundation for the Blind.
Visual impairment is common among people over the age of 55 because four common eye diseases -- macular degeneration, cataracts, glaucoma and diabetic retinopathy -- are associated with the aging process.
As the elderly population increases, a significantly higher incidence of visual impairment is expected. Older African Americans, Hispanics, and American Indians are at higher risk for diabetes and the diabetic retinopathy associated with it. Older African Americans also experience a much higher rate of glaucoma than other groups.
Visual impairment is defined as decreased visual ability that impacts daily activities. Severe visual impairment is defined as the inability to read newspaper print.
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