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There are three standards currently used to test the effectiveness of ballistic eyewear. These include a U.S. civilian standard (ANSI Z87.1 – 2010), a U.S. military standard (MIL-PRF-31013), and a European standard (EN 166, 169, 170 and 172). The U.S. civilian standard for protective eyewear was revised in 2010.
The ANSI/HI (Hydraulic Institute) standards used for pumps. The ANSI for eye protection is Z87.1, which gives a specific impact resistance rating to the eyewear. This standard is commonly used for shop glasses, shooting glasses, and many other examples of protective eyewear.
Safety glasses or spectacles, although often used as a catch-all term for all types of eye protection, specifically revers to protective equipment that closely resembles common eye wear. To meet most national standards, spectacles must include side shields to reduce the ability of debris to get behind the lenses from the side.
ANSI (American Standard) Mark Z87: Basic impact: Faceshields shall be capable of resisting impact from a 25.4 mm (1 in) diameter steel ball dropped from a height of 127 cm (50 in). Mark Z87+: High impact: Faceshields shall be capable of resisting impact from a 6.35 mm (0.25 in) diameter steel ball traveling at a velocity of 91.4 m/s (300 ft/s).
These safety sunglasses have a scratch resistant coating, block 99.9% UV, and meet ANSI Z87.1 and CSA Z94.3 standards. The only way to assess the protection of sunglasses is to have the lenses measured, either by the manufacturer or by a properly equipped optician .
Protection Standards [ edit ] In a book Battle Rattle (2006 Windrow & Greene) by Hans Halberstadt the author states that the 82nd Airborne Division was the first one to buy Wiley X in bulk, ordering thousands of the SG-1s goggles, originally developed for Ranger regiment , shortly after deploying in Afghanistan in spring 2002.