The macular area of the eye is that part of the retina that is important to the visualization of fine details. Macular degeneration is associated with aging and may also be related to the toxic effects of drugs. Loss of central vision makes it difficult to read or to do fine work. This condition does not, in itself, lead to total blindness. Some vision is retained. Those whose diets are rich in beta-carotene have a low risk of developing age-related macular degeneration.
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