Bifocal Sunglasses 

Check this link http://typhoonoptics.com/typhoon/typhoon-polarized-polycarbonate-sunglasses/polarized-reader-sunglasses here for more information on Bifocal Sunglasses. Bifocals are eyeglasses based on an optometrist's prescription. They have a dual function as they correct near and far vision. In case you are mostly outdoors, bifocal sunglasses help you have clear vision and at the same time filter the harsh sun rays. Therefore it is important that you choose the best bifocal reading sunglasses.
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