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Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.
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.
Oakley, Inc. is an American company headquartered in Foothill Ranch, California, which is an autonomous subsidiary of Luxottica.The company designs, develops and manufactures sports performance equipment and lifestyle pieces including sunglasses, safety glasses, eyeglasses, sports visors, ski/snowboard goggles, watches, apparel, backpacks, shoes, optical frames, and other accessories.
They need shatterproof and impact-resistant lenses; a strap or other fixing is typically used to keep glasses in place during sporting activities, and they have a nose cushion. [ 56 ] For water sports, so-called water sunglasses (also: surf goggles or water eyewear) are specially adapted for use in turbulent water, such as the surf or whitewater .
We put Oakley and 3M safety glasses head to head to see if price was a major factor when it comes to total protection and overall safety.
The prototype, created in 1936 and known as "Anti-Glare", had plastic frames and green lenses that could cut out the glare without obscuring vision. The name "Ray-Ban" was hence derived from the ability of these glasses to limit the ingress of either ultra-violet or infra-red rays of light. [7] Impact-resistant lenses were added in 1938. [8]
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