Ao Safety Glasses

Sports-inspired Safety Eyewear Semi-rimless Design (90957) by 3M Tekk Protection - Blue mirror lenses, black frame, hang-tag Semi-rimless, dual-lens design Soft nosepiece and adjustable temples Anti-scratch coating Meets the requirements of ANSI Z87.1-2003 and CSA Z94.3-2007 Eye Protection It is estimated that 90% of all eye injuries are preventable by wearing the proper eye protection*. To be effective, eye protection must be of the appropriate type for the hazard encountered and properly fitted. In addition, comfort, style and UV protection are important criteria.Levels of Eye ProtectionIn the U.S., there are two levels of eye protection defined by the current ANSI Z87.1-2003† Standards that apply to frames and lenses — Basic and High Impact.† Canadian Eyewear Standards are addressed in CSA Z94.3Basic Impact Lens Requirements:Must pass the ball drop test. A 1" diameter steel ball is dropped on the lens from a height of 50".High Impact Lens Requirements:Must pass high-velocity testing where 1/4"steel balls are shot at different velocities. Eyewear: 150 ft./sec. Goggles: 250 ft./sec. Faceshields: 300 ft./sec. In addition, lenses must pass a high-mass impact test where a 1.1 lb. pointed projectile is dropped onto the lens from a height of 50".FramesAll eyewear (spectacles, goggles, faceshields and welding helmets) frames/housings must comply with the high-impact requirement while retaining the lens.