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  2. Multiview orthographic projection - Wikipedia

    en.wikipedia.org/wiki/Multiview_orthographic...

    Visualised as rolling on the upper and lower surfaces of the drawing plane, respectively. First-angle projection is as if the object were sitting on the paper and, from the "face" (front) view, it is rolled to the right to show the left side or rolled up to show its bottom. It is standard throughout Europe and Asia (excluding Japan).

  3. Neurologists reveal 15 subtle migraine symptoms — that aren't ...

    www.aol.com/neurologists-reveal-15-subtle...

    A migraine headache can throw your whole day off track. But if you can learn to pick up on your subtle migraine warning signs, you might able to avoid the pain entirely , experts say.

  4. Ophthalmodynia periodica - Wikipedia

    en.wikipedia.org/wiki/Ophthalmodynia_periodica

    The following diagnostic criteria are given for ophthalmodynia periodica: [medical citation needed]. Head pain occurring as a single stab or a series of stabs; Can be felt in the areas surrounding the eyes and temples but is "typically felt on the top, front, or sides of the head"

  5. Occipital neuralgia - Wikipedia

    en.wikipedia.org/wiki/Occipital_neuralgia

    Patients presenting with a headache originating at the posterior skull base should be evaluated for ON. This condition typically presents as a paroxysmal, lancinating or stabbing pain lasting from seconds to minutes, and therefore a continuous, aching pain likely indicates a different diagnosis. Bilateral symptoms are present in one-third of cases.

  6. What To Know if You're Constantly Getting Headaches Behind ...

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

    Neurologists call headaches behind the eyes "retro-orbital headaches," which means "behind the eyeball socket." ... The only thing worse than a headache is a headache that comes back—over and ...

  7. Homonymous hemianopsia - Wikipedia

    en.wikipedia.org/wiki/Homonymous_hemianopsia

    Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia (or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right half of the brain has visual ...

  8. Why Your Head and Eyes Hurt After Viewing the Eclipse - AOL

    www.aol.com/why-head-eyes-hurt-viewing-210905511...

    I f you have a headache or eye pain after viewing the solar eclipse—even if you wore eclipse glasses—you’re not alone. But don’t panic. Experts say it’s probably not a sign of serious ...

  9. Chronic paroxysmal hemicrania - Wikipedia

    en.wikipedia.org/wiki/Chronic_paroxysmal_hemicrania

    Chronic paroxysmal hemicrania (CPH) is a severe debilitating unilateral headache usually affecting the area around the eye. It normally consists of multiple severe, yet short, headache attacks affecting only one side of the cranium. Retrospective surveys indicated that paroxysmal hemicrania was more common in women.