Acephalgic migraine

Acephalgic migraine (also called migraine aura without headache, amigrainous migraine, isolated visual migraine, optical migraine, and silent 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. It is generally classified as an event fulfilling the conditions of migraine with aura with no (or minimal) headache. It is sometimes distinguished from visual-only migraine aura without headache, also called ocular migraine.

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