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  2. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    This, unaware to them, causes the eye strain to build up over a period of time, when if they had obtained seven to eight hours of uninterrupted sleep, their eye muscles would have recovered during the sleep and the strain would not have built up. [citation needed] Computer workers are often advised to take breaks and look at distant objects. [4]

  3. Eye strain - Wikipedia

    en.wikipedia.org/wiki/Eye_strain

    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 ...

  4. Anisometropia - Wikipedia

    en.wikipedia.org/wiki/Anisometropia

    [2] [3] Patients may have up to 3 diopters of anisometropia before the condition becomes clinically significant due to headache, eye strain, double vision or photophobia. [ 4 ] In certain types of anisometropia, the visual cortex of the brain cannot process images from both eyes simultaneously ( binocular summation ), but will instead suppress ...

  5. Duane syndrome - Wikipedia

    en.wikipedia.org/wiki/Duane_syndrome

    A head turn to the side of the affected eye to compensate for the movement limitations of the eye(s) and to maintain binocular vision. While usually isolated to the eye abnormalities, Duane syndrome can be associated with other problems including cervical spine abnormalities Klippel–Feil syndrome , Goldenhar syndrome , heterochromia , and ...

  6. Chronic paroxysmal hemicrania - Wikipedia

    en.wikipedia.org/wiki/Chronic_paroxysmal_hemicrania

    Chronic paroxysmal hemicrania (CPH) is a severe debilitating unilateral headache usually affecting the area around the eye. It normally consists of multiple severe, yet short, headache attacks affecting only one side of the cranium. Retrospective surveys indicated that paroxysmal hemicrania was more common in women.

  7. Why Your Head and Eyes Hurt After Viewing the Eclipse - AOL

    www.aol.com/lifestyle/why-head-eyes-hurt-viewing...

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