Search results
Results From The WOW.Com Content Network
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.
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.
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.
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 ...
If your biggest concern about your heart is the burn you feel at 3 a.m., flip over to the left side and drift back to sleep. "Sleeping on the left side often helps with acid reflux," Dr. Vuppuluri ...
Rapid eye movement behavior disorder occurs when there is a loss of normal voluntary muscle atonia during REM sleep resulting in motor behavior in response to dream content. It can be caused by adverse reactions to certain drugs or during drug withdrawal; however, it is most often associated with the elderly and in those with neurodegenerative ...
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.
Monocular vision impairment refers to having no vision in one eye with adequate vision in the other. [ 2] Monopsia is a medical condition in humans who cannot perceive depth even though their two eyes are medically normal, healthy, and spaced apart in a normal way. Vision that perceives three-dimensional depth requires more than parallax.