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Old 08-15-2016, 10:22 AM   #15
teotjunk
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Join Date: Jul 2011
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Quote:
Originally Posted by HarryT View Post
Would sunglasses selectively filter out blue light? I would have thought that all they'd do would be to dim all light frequencies equally, which you can do by reducing the brightness of the light on the device itself.

There are sunglasses that filter out blue light specifically. In fact a whole company has sprung up beccuase of this concept

https://www.lowbluelights.com/
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