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Blue light glasses are used to filter out this artificial blue light from digital devices, says Maturi. The lenses of the glasses have filters that sellers claim can block or absorb the blue light ...
Researchers looked at 17 randomized controlled trials on blue-light filtering glasses to see whether or not there was evidence that blue-light glasses could help visual performance and fatigue or ...
Blue-light-blocking glasses claim to reduce eye strain from devices, but scientists say there are better ways to reduce the strain on eyes.
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.
Glasses with a notch filter (e.g. EnChroma glasses) filter a narrow band of light around 590 nm that excites both the L- and M-cones (yellow-green wavelengths). [12] They are often combined with an additional stopband in the short wavelength (blue) region to minimize the tint on the lenses and approximate a neutral-density filter. They improve ...
A new review finds that the popular lenses don't help with eye strain, alertness or sleep. Blue light-blocking glasses don't protect eyes or improve sleep, study finds Skip to main content