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While researchers found no notable benefits to blue-light glasses, they didn’t find any key harmful consequences of using them either (besides the potential headaches and discomfort associated ...
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 ...
Ophthalmologists share whether there are benefits to blue light glasses and tips to protect eyes. ... “Blinking less leaves eyes dry and itchy, while focusing too hard causes headaches, fatigue ...
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.
Blue light is absorbed by the structural proteins, enzymes, and protein metabolites found in the lens. [9] The absorption of blue light creates yellow pigments in the lens's protein. The lens progressively darkens and turns yellow. [9] Blue light is absorbed by the lens, preventing blue light from reaching the retina at the back of the eye. [12]
A 2021 review investigated suggested therapies for CVS and found little supporting evidence for the following: switching to bi- or multi-focal glasses to reduce eye strain, or using glasses that block blue light. The same review reported "low-certainty" in omega-3 supplements as a method to combat CVS. [10]
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