How Often Should Laser Eyewear Be Inspected by ANSI?
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Recognized Benefits
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Laser beams may be harmful to the eyes, so to prevent any damage, people use laser eyewear to shield laser-type light. ANSI requires annual inspections of all eyewear subject to Hazard Class 3B and 4 laser systems to ensure there are no cracks, scratches or loose-fitting filters.
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Protection Not Guaranteed
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Though ANSI requires annual inspections of laser eyewear, as mentioned in the ANSI Z136 Series of Laser Safety Standards, such eyewear does not guarantee 100 percent eye protection. Wearing the proper type of laser eyewear for the type of laser offers the eyes some guarantee of protection from laser energy, according to Osama Bader, MD and Harvey Lui, MD from UBC Dermatology.
Bottom Line
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Laser eyewear must be ANSI-approved. As the University of Utah has pointed out, the eyewear must also have a label listing the optical densities and wavelengths for which protection is afforded. Before wearing the laser eyewear, have ANSI annually inspect it to ensure it is in good condition, thus preventing any laser-caused eye risks.
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