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  2. VR sickness happens. Here’s how to avoid and treat it.

    techcrunch.com/2024/02/15/vr-sickness-happens...

    This helps provide a sense of stability by allowing you to see more of the space around you. Turn on the Reduce Motion setting on your device: Go to Settings > Accessibility > Motion, then select ...

  3. Fatal insomnia - Wikipedia

    en.wikipedia.org/wiki/Fatal_insomnia

    Fatal insomnia is an extremely rare neurodegenerative prion disease that results in trouble sleeping as its hallmark symptom. [2] The majority of cases are familial ( fatal familial insomnia [FFI]), stemming from a mutation in the PRNP gene, with the remainder of cases occurring sporadically ( sporadic fatal insomnia [sFI]).

  4. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/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.

  5. Toxic and nutritional optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Toxic_and_nutritional...

    Signs and symptoms. Vision loss in toxic and nutritional optic neuropathy is bilateral, symmetric, painless, gradual, and progressive. Dyschromatopsia, a change in color vision, is often the first symptom. Some patients notice that certain colors, particularly red, are less bright or vivid; others have a general loss of color perception.

  6. Brain-controlled VR lightshows could lull you to sleep - Engadget

    www.engadget.com/2019-07-26-vr-sleep-tech-inter...

    By most accounts, technology wreaks havoc on our sleep.Even tools meant to help us sleep better can make insomnia worse.But sleep and tech don't have to be mutually exclusive. Artists and ...

  7. Cortical blindness - Wikipedia

    en.wikipedia.org/wiki/Cortical_blindness

    Cortical blindness is the total or partial loss of vision in a normal-appearing eye caused by damage to the brain 's occipital cortex. [1] Cortical blindness can be acquired or congenital, and may also be transient in certain instances. [2] Acquired cortical blindness is most often caused by loss of blood flow to the occipital cortex from ...

  8. Rapid eye movement sleep behavior disorder - Wikipedia

    en.wikipedia.org/wiki/Rapid_eye_movement_sleep...

    Rapid eye movement behavior disorder occurs when there is a loss of normal voluntary muscle atonia during REM sleep resulting in motor behavior in response to dream content. It can be caused by adverse reactions to certain drugs or during drug withdrawal; however, it is most often associated with the elderly and in those with neurodegenerative ...

  9. Anterior ischemic optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Anterior_ischemic_optic...

    Ophthalmology, optometry. Anterior ischemic optic neuropathy ( AION) is a medical condition involving loss of vision caused by damage to the optic nerve as a result of insufficient blood supply (ischemia). This form of ischemic optic neuropathy is generally categorized as two types: arteritic AION (or AAION), in which the loss of vision is the ...

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