A new study conducted by the National Eye Institute shows that the rate of nearsightedness, or myopia, in Americans has increased from 25 percent in the 1970s to a staggering 41 percent this year.
The study didn't examine the causes of such an increase, but experts told 'Good Morning America' the reasons could include genetics or poor outdoor lighting. Another possible reason could be an increase in 'near work'-like reading, surfing the Web or texting. View video for full story.
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Wednesday, January 27, 2010
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