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  2. Lagophthalmos - Wikipedia

    en.wikipedia.org/wiki/Lagophthalmos

    Nocturnal lagophthalmos is the inability to close the eyelids during sleep. [2] It may reduce the quality of sleep, cause exposure-related symptoms or, if severe, cause corneal damage (exposure keratopathy). The degree of lagophthalmos can be minor (obscure lagophthalmos) or quite obvious.

  3. 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]

  4. 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 ...

  5. What causes sleep paralysis? The science behind the ... - AOL

    www.aol.com/causes-sleep-paralysis-science...

    Sleep paralysis occurs when your mind is awake, but your body can’t move, Xue Ming, a sleep expert and professor of neurology at the Rutgers New Jersey Medical School, tells me. You can ...

  6. Beauty through the eyes of the blind - AOL

    www.aol.com/article/2014/10/20/beauty-through...

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  7. 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.

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

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

    The most easily observed of these is the propensity for sleep and wake; thus, people with non-24 experience symptoms of insomnia and daytime sleepiness (similar to "jet lag") when their endogenous circadian rhythms drift out of synchrony with the social/solar 24-hour day, but they conform to a conventional schedule. Eventually, their circadian ...

  9. Blue light emitted from smartphones and laptops accelerates ...

    www.aol.com/blue-light-emitted-smartphones...

    A new study has shown how blue light can cause macular degeneration — one of the leading causes of blindness. Blue light harms our vision by damaging the eye's retina.