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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.
Looking at a computer all day only engages a specific part of your vision. It’s also important to blink and try the “ 20-20-20 ” rule: every 20 minutes, look at an object 20 feet away for 20 ...
Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies ...
Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Coldstone is the spirit of a deceased gargoyle from the Wyvern clan resurrected through science and sorcery into a cyborg body by David Xanatos. [17] He was formed from the remains of three different gargoyles (usually called Coldstone or "Othello", his mate Coldfire or "Desdemona", and his rival Coldsteel or "Iago"), [18] [19] and each personality remains mostly intact.
Using the CT markers of visceral fat, subcutaneous fat, muscle mass, liver density, and aortic calcium, researchers were able to determine a person’s type 2 diabetes risk. Scientists found that ...
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 .
On TikTok, users tout the benefits of wearing compression socks while flying and urge others to wear them on long-haul flights, too. Compression socks can help reduce swelling and the risk of ...