Many of us wear eyeglasses or spectacles. With colorful frames, they look really smart on us. They are infact a means to correct our visions. So starting from using glasses as magnifying glass, to using concave or convex lenses, to bifocal lenses, to sunglasses, to compact contact lenses. There have been many names who have worked on this invention, but major credit is given to Rodger Bacon, as he implemented the correct way of using lenses. There are many others who enhanced this invention, listen in to know more about them. www.chimesradio.com http://onelink.to/8uzr4g
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