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These robust pieces of eyewear are strong enough to deflect flying debris without shattering, and unlike regular glasses, they use side panels or wraparound lenses for full-coverage protection ...
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.
The eyewear fails the test if the aluminum foil witness sheet is punctured or if the eyewear is cracked. In addition to ballistic performance, the U.S. military standard includes requirements for optical clarity, protection from UV rays, fit, chemical resistance, and environmental stability (properties won’t be changed by exposure to a range ...
Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.
Modern glasses, the most dominant form of eyewear. Eyewear is a term used to refer to all devices worn over both of a person's eyes, or occasionally a single eye, for one or more of a variety of purposes. Though historically used for vision improvement and correction, eyewear has also evolved into eye protection, for fashion and aesthetic ...
The current European standard, EN 1836:2005, was preceded by the older standards EN 166:1995 (Personal eye protection – Specifications), EN167: 1995 (Personal eye protection – Optical test methods), and EN168: 1995 (Personal eye protection – Non-optical test methods), which in 2002 were republished as a revised standard under the name of ...
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