Bifocal safety glasses protect against dust, UV rays and impacts while providing built-in reader magnification. Impact-resistant molded lens features SuperCoat antifog coating clears your vision in humidity or when you break a sweat. Soft, flexible foam seals out dust, and angle-adjustable temples customize your fit. High-velocity impact resistant. Filter out 99.9% of UVA, UVB and UVC rays. Meet ANSI Z87.1-2010( ).