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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.
In recent years, blue light-blocking glasses have become increasingly popular. People swear by the typically yellow- or orange-tinted spectacles to filter artificial blue light emitted from ...
Makers of blue-light-blocking glasses proclaim they can help reduce eye strain when looking at smartphones and computer screens for long periods of time. But an Australian-based study said these ...
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 ...
Do blue-light blocking glasses help prevent eye strain? A new review finds that the popular lenses don't help with eye strain, alertness or sleep.
Computer glasses may refer to: Blue-light blocking glasses, to try to reduce eyestrain from computer use; Smartglasses, glasses with computer technology
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