Blue Light Blocking: reduces eye fatigue, filtering out blue light from all the screen time our eyes receive each day Premium Polycarbonate: technology that provides a sturdier frame Anti-Scratch Aspheric Lenses: keeps lenses scratch resistant, thinner and light weight Sizing: Lens width: 46mm Bridge: 26mm Temple: 142mm Available in 3 Colors Matte Orange | Tortoise Tortoise Clear BLAIR| R-7074-C2-BLB Matte Orange | Tortoise |Blue Light