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  2. Photopsia - Wikipedia

    en.wikipedia.org/wiki/Photopsia

    Photopsia is the presence of perceived flashes of light in the field of vision. It is most commonly associated with: [4] posterior vitreous detachment; migraine aura (ocular migraine / retinal migraine) migraine aura without headache; scintillating scotoma; retinal break or detachment; occipital lobe infarction (similar to occipital stroke)

  3. Thunderclap headache - Wikipedia

    en.wikipedia.org/wiki/Thunderclap_headache

    A thunderclap headache is a headache that is severe and has a sudden onset. It is defined as a severe headache that takes seconds to minutes to reach maximum intensity. [1] [2] Although approximately 75% are attributed to "primary" headachesheadache disorder, non-specific headache, idiopathic thunderclap headache, or uncertain headache disorder—the remainder are secondary to other causes ...

  4. Exploding head syndrome - Wikipedia

    en.wikipedia.org/wiki/Exploding_head_syndrome

    Individuals with exploding head syndrome hear or experience loud imagined noises as they are falling asleep or are waking up, have a strong, often frightened emotional reaction to the sound, and do not report significant pain; around 10% of people also experience visual disturbances like perceiving visual static, lightning, or flashes of light.

  5. If You’re Seeing Spots or Flashes In Your Vision, It ... - AOL

    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. Lightning injury - Wikipedia

    en.wikipedia.org/wiki/Lightning_injury

    Lightning injuries are injuries caused by a lightning strike. [4] Initial symptoms may include heart asystole and respiratory arrest . [ 1 ] While the asystole may spontaneously resolve fairly rapidly, the respiratory arrest is typically more prolonged. [ 1 ]

  7. Scintillating scotoma - Wikipedia

    en.wikipedia.org/wiki/Scintillating_scotoma

    Symptoms typically appear gradually over 5 to 20 minutes and generally last less than 60 minutes, leading to the headache in classic migraine with aura, or resolving without consequence in acephalgic migraine. [3] For many sufferers, scintillating scotoma is first experienced as a prodrome to migraine, then without migraine later in life ...