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These blue-light-blocking readers from Peepers—a brand that Oprah previously touted in her annual Favorite Things list—refuse to blend into the background, but they aren’t too loud to wear ...
Blue-light blocking glasses, to try to reduce eyestrain from computer use; Smartglasses, glasses with computer technology Google Glass, major brand; See also.
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Studies have been conducted on blue light filtering eyeglasses, [5] [27] which uses special blue light blocking lenses for eye protection against blue light. [ 27 ] [ 28 ] All visible light wavelengths can be transmitted through the spectacle lens, [ 28 ] but some portions of the blue-violet light spectrum are selectively attenuated by coating ...
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The latter allow the passage of enough light so normal evening activities can continue, while blocking the light that prevents production of the hormone melatonin. [ citation needed ] Blue-blocking tinted glasses, i.e. amber or yellow, are sometimes recommended to treat insomnia; they are worn in artificial lighting after dark, to reestablish ...
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Democratic Sen. Bob Casey is one of the longest-serving senators in Pennsylvania’s history. But his run of electoral success ended last month when he narrowly lost to Republican challenger Dave ...