The DEWALT DPG59 Reinforcer RX Safety Glass combines the focusing power of a reader with the protection of a safety glass. Its magnification diopter is molded into the polycarbonate lens, creating a safety glass and reading glass all-in-one. This feature-packed glass is built with comfort and safety in mind. The DPG59 meets the Z87.1 standard for impact protection and provides 99% UV protection.