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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 ...
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.
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.
Specialty. Psychiatry, neurology. Excessive daytime sleepiness ( EDS) is characterized by persistent sleepiness and often a general lack of energy, even during the day after apparently adequate or even prolonged nighttime sleep. EDS can be considered as a broad condition encompassing several sleep disorders where increased sleep is a symptom ...
Not really. "Some people need glasses when they're young—before 45," explains , of Cleveland Clinic’s Cole Eye Institute. "If you don't need glasses before your 40s, chances are you will need ...
Woman over 50 having trouble sleeping. Experiencing problems falling asleep or staying asleep are, unfortunately, pretty common in the U.S. According to the Centers for Disease Control and ...
Somnolence (alternatively sleepiness or drowsiness) is a state of strong desire for sleep, or sleeping for unusually long periods (compare hypersomnia ). It has distinct meanings and causes. It can refer to the usual state preceding falling asleep, [ 1] the condition of being in a drowsy state due to circadian rhythm disorders, or a symptom of ...