Safety eyewear readers have a stylish and ergonomic nylon frame. High-performance polycarbonate lenses are sturdy and provide a clear field of vision. Precise placement of diopter insert within lens helps prevent eyestrain, headaches and accidents. Soft, comfortable rubber nose pad is self-adjusting and fits well on almost any wearer. Lenses provide 99.9% UV protection. Eyewear meets ANSI Z87.1+ impact standard.