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Some symptoms of CVS include headaches, blurred vision, neck pain, fatigue, eye strain, [1] dry eyes, irritated eyes, double vision, vertigo/dizziness, polyopia, and difficulty refocusing the eyes. These symptoms can be further aggravated by improper lighting conditions (i.e. glare, [2] [3] strong blue-spectrum backlights, [citation needed] or ...
The experience of eye strain when reading in dim light has given rise to the common misconception that such an activity causes permanent eye damage. [3] When concentrating on a visually intense task, such as continuously focusing on a book or computer monitor, the ciliary muscles and the extraocular muscles are strained. This causes discomfort ...
Too much video game playing may cause vision problems. [11] Extensive viewing of the screen can cause eye strain, as the cornea, pupil, and iris are not intended for mass viewing sessions of electronic devices. Using video games for too long may also cause headaches, dizziness, and chances of vomiting from focusing on a screen.
Oscillopsia may also be caused by involuntary eye movements such as nystagmus, or impaired coordination in the visual cortex (especially due to toxins) and is one of the symptoms of superior canal dehiscence syndrome. Those affected may experience dizziness and nausea.
Physical therapist Karin Leland offers some advice for those feeling dizzy or off balance.
For example, after a 4.8 magnitude earthquake hit New Jersey in April, people in the affected areas reported symptoms including dizziness, vertigo, nausea and just generally feeling a bit off.
What causes vertigo and dizziness? “Dizziness is generally a more neurological cause or a potential cardiac cause. For example, it could be a blood flow issue or stenosis of a carotid artery ...
The most common symptoms are general discomfort, eye strain, headache, stomach awareness, nausea, vomiting, pallor, sweating, fatigue, drowsiness, disorientation, and apathy. [2] Other symptoms include postural instability and retching. [2] Common causes are low frame rate, input lag, and the vergence-accommodation-conflict. [3] [4]