By Rick Richardson
Technology This Week
Presbyopia, or farsightedness caused by the loss of elasticity in your eyes as you age, affects 83 percent of adults over the age of 45 in North America, and nearly everyone is forced to wear glasses by the time they hit 50.
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Combined with an increasing concern for the long-term effects of staring at a screen all day, the future starts to look blurry. But studies show that smartphone apps might retrain your brain to improve your sight.
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