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  2. Non-24-hour sleep–wake disorder - Wikipedia

    en.wikipedia.org/wiki/Non-24-hour_sleep–wake...

    It has been estimated that non-24 occurs in more than half of all people who are totally blind. [2] [8] [9] The disorder can occur at any age, from birth onwards.It generally follows shortly after loss or removal of a person's eyes, [10] as the photosensitive ganglion cells in the retina are also removed.

  3. What To Know if You're Constantly Getting Headaches ... - AOL

    www.aol.com/know-youre-constantly-getting...

    Related: 6 Most Common Types of Headaches. What Headaches Behind Your Eyes Mean, According to Neurologists. There can be several causes of headaches behind your eyes. They include: Vision and eye ...

  4. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    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 ...

  5. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    Eye pathologies or other neurological conditions can also be a cause of visual anomalies, including the appearance of visual static or other changes in perception. Additionally, psychological disorders, such as somatic disorders , could potentially contribute to these perceptual disturbances.

  6. Why Am I Waking Up with Headaches? A Sleep Expert Helps Us ...

    www.aol.com/lifestyle/why-am-waking-headaches...

    For premium support please call: 800-290-4726 more ways to reach us

  7. Retinal migraine - Wikipedia

    en.wikipedia.org/wiki/Retinal_migraine

    Retinal migraine is a retinal disease often accompanied by migraine headache and typically affects only one eye. It is caused by ischaemia or vascular spasm in or behind the affected eye. The terms "retinal migraine" and "ocular migraine" are often confused with " visual migraine ", which is a far-more-common symptom of vision loss, resulting ...

  8. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Eye injuries, most often occurring in people under 30, are the leading cause of monocular blindness (vision loss in one eye) throughout the United States. Injuries and cataracts affect the eye itself, while abnormalities such as optic nerve hypoplasia affect the nerve bundle that sends signals from the eye to the back of the brain, which can ...

  9. Visual release hallucinations - Wikipedia

    en.wikipedia.org/wiki/Visual_release_hallucinations

    Depending on the content, visual hallucinations can be classified as either simple or complex. [1] Simple visual hallucinations are commonly characterized by shapes, photopsias, and grid-like patterns. [6] Complex visual hallucinations consist of highly detailed representations of people and objects. [6]