NoIR U21 UV Shield Sunglasses - 28% Medium Gray

These filters provide excellent glare protection, with their large side shields and top lip. These filters have 100% UV protection, they relieve indoor glare and help minimise effects of glare from fluorescent lights. Filter shade number 21 - medium gray - allows in 28% of visible light, has 100% ultraviolet protection and has a soothing color which sharpens focus and provides excellent glare protection. It is often recommended for people with post-operative cataracts. Features: * Color: Medium Grey * Transmission:: 28% * 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 Model: U21 Manufacture: NoIR Origin: USA