Datahopa

For those of us who might wear glasses, there are those Optical Companies who will try to sell us on the necessity for having or getting a special Blue Light coating on our glasses, of course, for an additional cost!

This is a complete gimmick and marketing ploy to sell the consumer what they don't need and that does not post any threat.

Check out this article...
http://www.youtube.com/watch?v=NkJY9bgLyBE