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    Planning To Watch The Eclipse? Here's What You Need To Protect Your Eyes

    A total solar eclipse is one of the most magnificent sights you can ever see. But you need the right kind of eye protection, and some of what's being sold out there isn't safe.
    by Nell Greenfieldboyce Aug 01, 2017 3 minutes
    Proper eye protection is a must for anyone looking up at a solar eclipse. Eclipse glasses are far darker than regular sunglasses.

    When Ralph Chou was about 12 years old, he took all the right precautions to watch his first solar eclipse.

    "I did other stupid things, but when it came to looking at that eclipse, I was being very careful," says Chou, a professor emeritus of optometry and vision science at the University of Waterloo, who's a leading authority on eye damage from eclipse viewing.

    The total solar eclipse will be the 19 one he's seen after a lifetime of eclipse chasing. And Chou is worried about

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