They’re available in different grades and proprietary blends.
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Vinger, “Polycarbonate lenses demonstrated resistance to impact for all tested projectiles exceeding the impact potential expected during routine use.”ĭeveloped commercially in 1957, polycarbonates are tough, impact-resistant thermoplastics which have many applications. Lenses made from glass, allyl resin plastic and high-index plastic shattered at that speed, according to the study. Polycarbonate lenses with a center thickness of one millimeter withstood the impact of a baseball fired at 94 mph (151 kph). All of the glass and plastic lenses met the FDA standards. Polycarbonate lenses didn’t shatter at 89 mph (143 kph). In the study, which appeared in issue of the Journal of the American Medical Association ( JAMA), tennis balls propelled at 40 mph (64 kph) shattered high-index plastic lenses, while balls at 55 mph (89 kph) shattered allyl resin (also known as hard resin or CR-39) plastic lenses and those at 89 mph (143 kph) shattered glass lenses. Vinger conducted 350 impact tests on various types of glasses. Vinger, an Associate Clinical Professor at Tufts Medical School in Medford, Massachusetts. Most lenses shatter into fragments when hit by objects moving at easily reached speeds, according to ophthalmologist Dr. While some sunglasses block HEV, the FDA doesn’t require it.įDA safety standards for sunglasses don’t provide the level of impact protection which is essential for active sports, shooting or duty/tactical applications. Although HEV rays have longer wavelengths and lower energy than UV rays, they penetrate deeply into the eye and can cause retinal damage. High-Energy Visible (HEV) radiation, or blue light, can also damage eyes. Most UVC is filtered out by the ozone layer. UVA is the most damaging to the eyes, although UVB has also been linked to eye damage. The three types of UV radiation are UVA, UVB and UVC.
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Long-term exposure to UV has been linked to serious eye damage. Ultraviolet (UV) protection is covered by the ANSI Z80.3 standard which also includes elements such as light transmittance, including being able to distinguish between green and yellow light in average daylight. ANSI Z80.3 includes standards for impact resistance, flammability, biocompatibility, and optical properties.
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Compliance with the voluntary American National Standards Institute (ANSI) Z80.3 standard is considered acceptable.ĪNSI Z80.3 establishes standard guidelines for “noncorrective lenses which are intended for attenuation of light and for fashion eyewear,” commonly known as sunglasses. Nonprescription sunglasses sold in the US are regulated by the Food and Drug Administration (FDA) as Class 1 medical devices and are required to conform to basic safety standards. In this article, I will specifically discuss protective glasses. There are two basic types of protective eyewear – glasses and goggles.
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Wearing the proper eyewear could prevent more than 90% of all eye injuries. You not only need to protect your eyes from the sun, but from unexpected eye hazards as well.Īccording to the Centers for Disease Control and Prevention (CDC), approximately 2,000 eye injuries occur every day at work in the US.
TACTICAL EYE PRO PRO
The term "public place" means an area open to the public or exposed to public view and includes streets, sidewalks, bridges, alleys, plazas, parks, driveways, parking lots, automobiles, whether moving or not, and buildings open to the general public, including those that serve food or drink, or provide entertainment, and the doorways and entrances to buildings or dwellings and the grounds enclosing them.Īny person who changes, alters, removes, or obliterates any coloration or markings that are required for by any applicable state or federal law or regulation, for any imitation firearm (replica firearm), or device in any way that makes the imitation firearm (replica firearm) or device look more like a firearm is guilty of violating the state or federal law.īy accessing the Site, you certify that you are older than 18 years of age or the age of majority where you live, whichever is older that you are the owner of any credit card used to purchase on items on the Site that you are familiar with all local laws in your area affecting your legal right to access airsoft products that any products you buy are for your own private enjoyment and that you will NEVER share these products with a minor in ANY WAY.Eye protection only works when you wear it, so finding the right fit, form and functionality will help ensure that your eye pro becomes an essential part of your daily kit. No person may openly display or expose any imitation firearm (replica firearm), in a public place. All airsoft guns are required to have the tip (1/4 inch) of the barrel permanently colored in blaze orange.