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Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache, but can also occur acephalgically (without headache), also known as visual migraine or migraine aura. [4]
Acephalgic migraine (also called migraine aura without headache, amigrainous migraine, isolated visual migraine, and optical migraine) is a neurological syndrome.It is a relatively uncommon variant of migraine in which the patient may experience some migraine symptoms such as aura, nausea, photophobia, and hemiparesis, but does not experience headache. [1]
The aura of migraine is visual in the vast majority of cases, because dysfunction starts from the visual cortex. The aura is usually followed, after a time varying from minutes to an hour, by the migraine headache. However, the migraine aura can manifest itself in isolation, that is, without being followed by headache. The aura can stay for the ...
Silent migraines, also known as migraine aura without headache, can come with debilitating symptoms. A neurologist explains the condition and how it's treated.
Scintillating scotoma, Visual snow Persistent aura without infarction ( PAWOI ) is a rare and seemingly benign [ 1 ] condition, first described in case reports in 1982 as "prolonged/persistent migraine aura status", [ 2 ] and in 2000 as "migraine aura status", [ 3 ] [ 4 ] that is not yet fully understood.
A person suffering from this particular type of migraine may experience an aura (visual disturbances) and other symptoms of a normal migraine (like light sensitivity) without head pain. 4. Chronic ...
“There are different types of visual aura, but it usually is a partial loss of vision that’s surrounded by colors, shapes, shimmers — called a scotoma.” ... Causes of migraine with aura ...
Migraine and migraine with aura are common comorbidities. However, comorbid migraine worsens some of the additional visual symptoms and tinnitus seen in "visual snow" syndrome. This might bias research studies by patients with migraine being more likely to offer study participation than those without migraine due to having more severe symptoms.
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