Blue Light Blocking: reduces eye fatigue, filtering out blue light from all the screen time our eyes receive each day; clear lenses Premium Polycarbonate: technology that provides a sturdier frame Anti-Scratch Aspheric Lenses: keeps lenses scratch resistant, thinner and light weight Sizing: Frame width: 148mm Lens Width: 51mm Lens Height: 39mm Bridge: 25mm Temple: 142mm Available in 2 Colors: Brown | Tortoise Brown | Light Green Temples SERAPHINA | R-7083-C2-BLB | Brown | Light Green Temples | Blue Light Blocking