These filters provide excellent glare protection, with their large side shields and top lip. These filters have 100% UV & blue light protection. The Light Amber filter are helpful on those hazy, overcast days and relieves sensitivity to indoor lighting. Filter shade number 11 - Light Amber - which allows in only 40% of visible light, has 100% ultraviolet protection and intensifies backgrounds for enhanced visual acuity and increased contrast. It also features blue blocker protection. Features: * Color: Light Amber * Transmission:: 40% * UV Protection: 100% * SideShield and brow protection * Universal size for most faces and frames Frame Dimensions & Sizing: * Inside: 152mm x 52mm * Outside: 155mm x 55mm * Temple: 145mm * Eye: 50mm Manufacturer: NoIR Origin: USA Model: U11