The Radians Bifocal Safety Reading Glasses feature polycarbonate bifocal lenses with +1.50 diopter magnification for the lower bifocal segment. The lenses provide 99.9% UVA/UVB protection. The frames are made from lightweight nylon material and have cushioned temple tips for comfort. These safety glasses meet ANSI Z87.1 standards for eye protection. They are designed for tasks that require both distance and close-up vision, providing protection and visual aid for industrial workers, tradesmen, and others.