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An immature cataract has some transparent protein, but with a mature cataract, all the lens protein is opaque. In a hypermature or Morgagnian cataract, the lens proteins have become liquid. Congenital cataract, which may be detected in adulthood, has a different classification and includes lamellar, polar, and sutural cataracts. [44] [45]
Age-related cataract: By far the most common, this occurs as you get older. Over time, natural changes in the lens of your eye cause the tissue within the lens of each eye to break down and clump ...
Cyanopsia is most commonly reported in older adults after cataract surgery, where symptoms typically subside within a few days to weeks as the eyes adapt to the synthetic lens. In younger adults, cyanopsia is often caused by medications like sildenafil, with symptoms disappearing once the drug's effects wear off.
A 2009 study showed that the prevalence of cataract blindness in people 50 years and older ranged from 0.5% in Buenos Aires, to 2.3% in parts of Guatemala. Poor vision due to cataracts ranged from 0.9% in Buenos Aires, to 10.7% in parts of Peru. Cataract-surgical coverage ranged from good in parts of Brazil to poor in Paraguay, Peru, and ...
Plus, eye diseases such as glaucoma, cataracts, and macular degeneration can cause vision problems, according to the National Institute on Aging (NIA). ... Nearly 89% of older adults take at least ...
Older adults with visual impairment are at an increased risk of physical inactivity, [29] [30] slower gait speeds, [31] [32] [33] and fear of falls. [ 34 ] Physical activity is a useful predictor of overall well-being, and routine physical activity reduces the risk of developing chronic diseases and disability.
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