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A new type of polarized lenses now reduces glare, protects against UV rays of the sun, and blocks blue light, too. SunRx polarized melanin lenses are a new innovation that come in brown tints, and block blue light, which some doctors think can add to the development of age-related macular degeneration, which can result in blindness. These lenses should become more readily available in many polarized sunglasses soon.