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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.
Ciclosporin, steroid eye drops [ 2] Frequency. ~20% [ 5] Dry eye syndrome, also known as keratoconjunctivitis sicca, is the condition of having dry eyes. [ 2] Symptoms include dryness in the eye, irritation, redness, discharge, blurred vision, and easily fatigued eyes. Symptoms range from mild and occasional to severe and continuous. [ 3]
A major trigger of virtual reality sickness is when there is disparity in apparent motion between the visual and vestibular stimuli. This disparity occurs if there is a disagreement between what the stimuli from the eyes and inner ear are sending to the brain. This is a fundamental cause of both simulator and motion sickness as well.
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 ...
During menopause, your body and brain undergo some radical shifts that can contribute to the development of an eating disorder. New hormone fluctuations not only impact your sleep and mood but can ...
Closed-eye hallucinations and closed-eye visualizations ( CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes, perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause stimulates the eye.
The best way to prevent headaches behind your eyes is to narrow down what's causing them, for which you'll need a doctor's help. If your vision is to blame, wearing corrective lenses and having ...
In animals, including humans, the startle response is a largely unconscious defensive response to sudden or threatening stimuli, such as sudden noise or sharp movement, and is associated with negative affect. [ 1] Usually the onset of the startle response is a startle reflex reaction. The startle reflex is a brainstem reflectory reaction ...