Sunglasses eliminate specific frequencies of light.
The sidebar gives you an idea about some of the top sunglass manufacturers. Manufacturers of supplementary products sell sunglasses, too. From Nike as well as Timberland to Gucci in addition to Kenneth Cole, many big brands take account of sunglasses among their product lines. Many sunglass manufacturers make huge claims about the features and extraordinary qualities of their products. Prices can assortment from less than $20 up to several hundred dollars depending on the features and the name. Then there are the imposters. You go to a cut rate shop or a flea market and see vendors donation sunglasses that look exactly the same as the high-dollar brand names for a fraction of the cost. Are you really paying that a good deal for a name or are there fundamental difference between the mirror image sunglasses and the label ones?
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