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The lenses of solar eclipse glasses are made of black polymer, or resin infused with carbon particles, that blocks nearly all visible, infrared and ultraviolet light, according to The Planetary ...
EnChroma lenses are designed, manufactured, marketed and distributed by EnChroma, inc. in Berkeley, California. EnChroma glasses were invented incidentally in 2002 by Donald McPherson while trying to develop lenses to protect and aid surgeons during laser operations. The company received a grant from the NIH in 2005, the glasses were released ...
Lensless glasses. A woman wearing lensless glasses. Lensless glasses are glasses that lack lenses. They are worn solely for aesthetic or fashion purposes, having no function in vision correction or eye protection. The frames are usually oversized, and commonly all black in color. They may be worn in conjunction with contact lenses.
To combat fake solar eclipse glasses, the American Paper Optics team created the Core Four elements of eclipse glasses to look out for to ensure your safety during the solar event.
Color blind glasses or color correcting lenses are light filters, usually in the form of glasses or contact lenses, that attempt to alleviate color blindness, by bringing deficient color vision closer to normal color vision or to make certain color tasks easier to accomplish. Despite its viral status, the academic literature is generally ...
Unsafe eclipse glasses were a significant problem in 2017, causing online retailers like Amazon to issue refunds and face a lawsuit by customers who purchased unsafe glasses. (The case was later ...