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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.
The APEL also includes different styles to accommodate soldier preferences, with the goal of increasing the use of eye protection. Approved protective eyewear includes both military standard and commercial styles. [3] Soldiers serve in different situations with different types of risk for eye injury, from ballistic projectiles.
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 face shields used in construction, industry, or medical settings; An eyeshield to protect the eyes from sunlight on an American football helmet; A shield to protect the eyes from sunlight on a flight helmet or space suit; Green eyeshades, formerly worn by accountants and others engaged in vision-intensive, detail-oriented occupation.
[49] [48] Sunglasses make up 42% of the global eyewear market as of 2020. They protect the eyes from sun damage and conjunctivitis, but are also sold as fashion accessories, with many consumers opting to have a number of sunglasses for different occasions. [48] EssilorLuxottica controls a dominant portion of the eyewear retail market.
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 .