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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.
Safety glasses provide protection from external debris, and should provide side protection via a wrap-around design or side shields. [14] Goggles provide better protection than safety glasses, and are effective in preventing eye injury from chemical splashes, impact, dusty environments and welding. [14]
Goggles, or safety glasses, are forms of protective eyewear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes. They are used in chemistry laboratories and in woodworking .
Safety glasses with side shields Safety glasses are worn to protect the eyes in various situations. They are made with break-proof plastic lenses to protect the eye from flying debris or other matter. [ 4 ]
Sunglasses with deep side arms can block side, or peripheral, vision and are not recommended for driving. [55] Even though some of these glasses are proven good enough for driving at night, it is strongly recommended not to do so, due to the changes in a wide variety of light intensities, especially while using yellow tinted protection glasses.
In 2006 Hartley et al. were awarded a US Patent for Eyewear for ballistic and light protection. The invention was not for new protective materials but for a system that would allow the easier interchange of lenses between various types of protective devices, such as glasses, goggles and face shields. [14]
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