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In a recent survey from Consumer Reports, people buying glasses online ... to customer reviews, and all come with UV protection and an initial 30-day protection plan that replaces broken frames ...
Jean-Marie-Théodore Fieuzal (1836-1888) was the first to argue for UV protection with (yellow) shaded glasses, and by 1899, Rodenstock GmbH produced possibly the first sunglasses intended for shielding eyes from UV light and not just glare. [16]
Their Keyhole sunglasses are a great pair of round glasses: they’re polarized, of course, with 100% UV400 protection and a keyhole-shaped gap on the bridge of the nose (that’s where it gets ...
Today, sunglasses are not only practical and healthy for your eyes — if they offer 100% UVA and UVB protection — they’re also a fashion statement and, in some cases, an incredible luxury.
For the same reason sunglasses and filters were used by the American Army, especially for aviation, indeed Polaroid glasses were thought to protect aviator from sunlight but also atomic bomb explosions. [8] Cool-Ray was a division of American Optical for the sunglasses. It was the originator of the polarized sunglass as it is known today.
Typical sunglasses lenses are tinted for protection against bright light or polarized to remove glare; photochromic glasses are clear or lightly tinted in dark or indoor conditions, but turn into sunglasses when they come into contact with ultraviolet light. Most over-the-counter sunglasses do not have corrective power in the lenses; however ...