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  2. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    At least 1 of the following: excessive floaters in both eyes, excessive blue field entoptic phenomenon, self-light of the eye , or spontaneous photopsia. iii. Photophobia. iv. Nyctalopia; impaired night vision. Symptoms are not consistent with typical migraine aura.

  3. Scintillating scotoma - Wikipedia

    en.wikipedia.org/wiki/Scintillating_scotoma

    Many variations occur, but scintillating scotoma usually begins as a spot of flickering light near or in the center of the visual field, which prevents vision within the scotoma area. It typically affects both eyes, as it is not a problem specific to one eye. [5] [6] The affected area flickers but is not dark. It then gradually expands outward ...

  4. Photopsia - Wikipedia

    en.wikipedia.org/wiki/Photopsia

    The retina lines the inside of the eye. It is light-sensitive and communicates visual messages to the brain. If the retina detaches, it moves and shifts from its normal position. This can cause photopsia, but can also cause permanent vision loss. Medical attention is needed to prevent vision loss.

  5. If You’re Seeing Spots or Flashes In Your Vision, It Could Be ...

    www.aol.com/means-seeing-spots-flashes-vision...

    Here, experts share ocular migraine symptoms, causes, and treatments. Ocular migraines affect your vision in one or both eyes. Here, experts share ocular migraine symptoms, causes, and treatments. ...

  6. Illusory palinopsia - Wikipedia

    en.wikipedia.org/wiki/Illusory_palinopsia

    Illusory palinopsia is often worse with high stimulus intensity and contrast ratio in a dark adapted state.Multiple types of illusory palinopsia often co-exist in a patient and occur with other diffuse, persistent illusory symptoms such as halos around objects, dysmetropsia (micropsia, macropsia, pelopsia, or teleopsia), Alice in Wonderland Syndrome, visual snow, and oscillopsia.

  7. Vision disorder - Wikipedia

    en.wikipedia.org/wiki/Vision_disorder

    Eye floaters and spots: where visible cloud-like images appear to "float" in an individual's field of vision. [6] Floaters and spots are most commonly related to ageing. They are generally harmless and do not cause blindness [7] Eye flashing: characterised by bursts or streaks of light that appear in an individual's field of vision.

  8. Cataract - Wikipedia

    en.wikipedia.org/wiki/Cataract

    Posterior capsular opacification, also known as after-cataract, is a condition in which months or years after successful cataract surgery, vision deteriorates or problems with glare and light scattering recur, usually due to thickening of the back or posterior capsule surrounding the implanted lens, so-called 'posterior lens capsule opacification'.

  9. Photic retinopathy - Wikipedia

    en.wikipedia.org/wiki/Photic_retinopathy

    A person with photic retinopathy may notice an impairment in their vision, for example a spot that does not go away after a reasonable recovery time, or blurring. They may also have eye pain or headaches. Vision impairment is usually in both eyes, but can be in just one. Impairment of a person with 20/20 vision usually ends up being about 20/40 ...

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