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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]
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]
Migraine without aura used to be referred to as the “common migraine”, as about 70-75% of patients do not experience aura. ... including moderate to severe pain, throbbing, nausea and light ...
Silent migraines, also known as migraine aura without headache, can come with debilitating symptoms. A neurologist explains the condition and how it's treated.
The aura phase of migraine can occur with or without a headache. Ocular or retinal migraines happen in the eye, so only affect the vision in that eye, while visual migraines occur in the brain, so affect the vision in both eyes together. Visual migraines result from cortical spreading depression and are also commonly termed scintillating scotoma.
People who get migraines might experience a visual cue called an aura before having a migraine, or in the midst of having a migraine. An aura is most commonly a symptom that temporarily affects ...
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 duration of the migraine; depending on the type of aura, it can leave the person disoriented and confused.
Persisting visual snow can feature as a leading addition to a migraine complication called persistent aura without infarction, [24] commonly referred to as persistent migraine aura (PMA). In other clinical sub-forms of migraine headache may be absent and the migraine aura may not take the typical form of the zigzagged fortification spectrum ...