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Racing thoughts, also referred to as "racing mind", may prevent a person from falling asleep. Chronic sleep apnea and prolonged disturbed sleep patterns may also induce racing thoughts. Treatment for sleep apnea and obstructive airway disorder can improve airflow and improve sleep resulting in improved brain and REM function and reduced racing ...
Rapid eye movement sleep. Rapid eye movement sleep ( REM sleep or REMS) is a unique phase of sleep in mammals (including humans) and birds, characterized by random rapid movement of the eyes, accompanied by low muscle tone throughout the body, and the propensity of the sleeper to dream vividly. The REM phase is also known as paradoxical sleep ...
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.
Early symptoms of Parkinson’s disease include: Decreased or loss of sense of smell (anosmia) Constipation. Small, cramped handwriting. Voice changes. Stooped posture. “These symptoms can ...
Many of the things we do every day — getting dressed, making lunch, driving a car, even picking up an object — involve our eyes and hands working well together. Hand-eye coordination is ...
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
Adaptation (eye) In visual physiology, adaptation is the ability of the retina of the eye to adjust to various levels of light. Natural night vision, or scotopic vision, is the ability to see under low-light conditions. In humans, rod cells are exclusively responsible for night vision as cone cells are only able to function at higher ...
While the macula is preserved there is some loss of pigmentation around it. Retinitis pigmentosa ( RP) is a genetic disorder of the eyes that causes loss of vision. [ 1] Symptoms include trouble seeing at night and decreasing peripheral vision (side and upper or lower visual field). [ 1] As peripheral vision worsens, people may experience ...