Cataract's are a condition of the eye in which the lens
becomes opaque distorting vision. Common causes include aging, endocrine or metabolic
disorders, protein deposits on the lens, as a side effect from tobacco use, or a side
effect from certain medications such as steroids. Cataracts are a common cause of
blindness in adults if left untreated but are easily treated with
surgery.
Macular degeneration is a chronic progression and
deterioration of the macula lutea of the retina which leads to vision loss. The macula
is responsible for central vision, color vision, and fine visual
detail.
Cataracts affect the lens and macular degeneration
affects the retina.
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