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01/27/2014 09:42 am ET | Updated Jan 27, 2014

Digital Device Use Leads To Eye Strain, Even In Kids

Pablo Blasberg via Getty Images

One day after Sarah Hinkley had been working on her computer for about five hours, she noticed her eyes started to burn and feel dry. "My focus became blurry, like I was looking through a haze," she says.

As an optometrist, Hinkley knew exactly what was wrong. She was suffering from digital eye strain, also known as computer vision syndrome.

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