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Many people are affected with sufficient motion [2] and some people will experience motion sickness at least once in their lifetime. [8] Susceptibility, however, is variable, with about one-third of the population being susceptible while the other people are affected only under very extreme conditions. [2] Women are more easily affected than ...
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.
Virtual reality sickness may have undesirable consequences beyond the sickness itself. For example, Crowley (1987) argued that flight simulator sickness could discourage pilots from using flight simulators, reduce the efficiency of training through distraction and the encouragement of adaptive behaviors that are unfavorable for performance, compromise ground safety or flight safety when sick ...
Dry eyes are more common in people over 50 and women, especially if they experience hormonal changes, according to the Mayo Clinic. "Menopausal women specifically can find that their eyes are a ...
Preventative medication can often decrease the number of days that people get headaches every month by greater than 50%, Collins added. Not all treatment requires medication.
The most prevalent types of pain are thought to be headaches (43%), dysesthetic limb pain (26%), back pain (20%), painful spasms (15%) such as the MS Hug, [102] painful Lhermitte's phenomenon (16%) and Trigeminal Neuralgia (3%). [97] These authors did not however find enough data to quantify the prevalence of painful optic neuritis.
Neurologists call headaches behind the eyes "retro-orbital headaches," which means "behind the eyeball socket." The rest of us call them "hell." The only thing worse than a headache is a headache ...
Down syndrome or Down's syndrome, [12] also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability , and characteristic physical features.