Home | Company Profile | Locations | Products | Specials | Regulatory Links | Contact Us       LIGHTENS AND DARKENS WITH CHANGING OUTDOOR LIGHT CONDITIONS SmartLens does all the changing - automatically. The lens is "UV reactive", so it responds to the amount of Ultraviolet (UV) light it receives. It lightens or darkens as needed...going from clear to dark in just seconds. Durable Frame with Nylon Brow and magnesium Alloy Temples Frame Design has Stylish Carbon Fiber Pattern Tough Polycarbonate Lens Absorbs 99.9% UV Soft, Adjustable Nose Bridge for All-Day Comfort Meets Traffic Signal Recognition Requirements of ANSI Z80.3 Meets ANSI Z87.1-2003 High Impact Standard