Are There Benefits to Blue-Blocking Glasses?

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By Dr. Mercola

By Dr. Mercola

You may remember the blue-blocking sunglasses that were popular in the U.S. in the 1980s. The glasses, with their amber-colored lenses, had a bit of a cult following and were perhaps best known for how clear they made regular objects appear.

They were promoted by Joel Sugarman who is actually a friend of mine and regular reader of this newsletter.

However, many are not aware that these glasses were originally designed for the NASA space program. Astronauts need powerful eye protection in outer space, where ultraviolet (UV) rays from the sun are incredibly strong.

A sunglass manufacturer …read more

Read more here: mercola

    

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