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In 1955, Irving Rips of Younger Optics created the first seamless or "invisible" bifocal, a precursor to progressive lenses. [4] This followed Howard D. Beach's 1946 work in "blended lenses", [5] [6] O'Conner's "Ultex" lens in 1910, [7] and Isaac Schnaitmann's single-piece bifocal lens in 1837. [8]
There are many variations, such as the "Onassis", discussed below, and Dior white sunglasses. Onassis glasses or "Jackie O's" are very large sunglasses worn by women. This style of sunglasses is said to mimic the kind most famously worn by Jacqueline Kennedy Onassis in the 1960s. The glasses continue to be popular with women, and celebrities ...
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 ...
Additionally, pinhole glasses reduce brightness and peripheral vision, [1] [2] and thus should not be used for driving or when operating machinery. [3] Merchants state that, after prolonged use, the plastic grating should become easy to ignore. However, each time the user blinks, the horizontal lines of the grating will briefly appear to be ...
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The Oakley Thump 2 offers UV and blue-light protection. The Thump 2 incorporates a flash-based player into the frame of a pair of sunglasses for cordless on-the-go listening. Picking up where the original THUMP left off, quadrupling the memory for the same price as the original, 1GB for $299.