Calabria 8533 Fitover Sunglasses in Brown Tint plastic frame plastic lens non-polarized Lens width: 58 mm Inside Width: 5.25" Inside Height: 1.75" Reduces eyestrain from television, computer monitors, and phone/tablet devices. Blocks ultraviolet blue light and sharpens contrast ; UV 500 lens provides maximum UV protection. Unbreakable polycarbonate lens ; Option of wearing over prescription glasses.