The Safety Reading Glasses Impact is a rectangular frame with anti fog lenses. These safety glasses feature magnifying lenses which reduce fatigue and eye strain, with magnification powers ranging from +1.00 to +3.00. The Impact safety reading glasses are lightweight and made of high quality plastic to ensure durability. Plus, they feature a nose piece and soft rubber-tipped temple bars to guarantee a secure fit. In addition, the Impact has our exclusive permanent anti fog coating technology, which guarantees that their lenses will never fog. Available in black with yellow, they also meet rigorous industry standards and are ANSI Z87.1 approved for optimal protection.