Parents often ask about electronic devices and their effects on vision, as many children are spending a significant part of their day on smartphones, tablets, e-readers, laptops, etc. Parents are often concerned that increased screen usage may make their child nearsighted (myopia is the medical term) and result in their child needing glasses.

These parental concerns are particularly important today as a National Eye Institute (NEI) study has found that the prevalence of myopia in the United States increased 66 percent between 1971-1972 and 1999-2004.

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