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Children Who Spend More Time Outdoors Have Less Nearsightedness

Children Who Spend More Time Outdoors Have Less Nearsightedness
At night Lisa Ostrin's lab at the University of Houston College of Optometry often looks like the setting of a disco slumber party, a place where a child, aged 7 to 14, accompanied by a guardian, sleeps over and is periodically exposed to blue or red lights.

"At night we become a five-star hotel," said assistant professor Ostrin, good humoredly explaining part of her $1.8 million research grant, sponsored by the National Eye Institute. The goal is to find why an ever-increasing number of youngsters need glasses and, specifically, if exposure to specific types of light might prevent myopia, or nearsightedness.
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