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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 ...
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.
Color blindness (color vision deficiency) is the decreased ability to see color or differences in color. It can impair daily color tasks such as selecting ripe fruit or choosing clothing, as well as safety-related tasks such as interpreting traffic lights. While the disability of color blindness is considered minor, the use of color in safety ...
Here are her tried-and-true tips after 25 years as a professional traveler: Avoid caffeine: Brown recommends turning down the in-flight coffee service so that the caffeine doesn't keep you up ...
On examination day, it is considered bad luck to make one's bed, wear anything new, or cut one's fingernails. The night before the exam, it is believed to be bad luck to wash one's hair. Some believe that shaving or cutting their hair one week before the exam will result in bad luck.
A quarter of hospital patients who are unresponsive and don’t physically respond to commands may be doing so mentally, a new study found. The research relied on brain scans of the patients.
The day of the paintball game is the same day as Sammi's wedding, but Larry promises to be there because he is delivering a speech. At the paintball game, Larry expresses his frustration over Lin's family, saying that they abused his hospitality. Lin challenges him to a paintball duel, where Larry accidentally shoots him in the mouth.