What is visual aura?
Migraine FAQs: What is visual aura?
By far, the most common type of migraine aura is visual aura. Almost 90 percent of people who suffer from migraine with aura complain of visual aura.
This type of aura, as the name implies, causes a wide variety of vision changes and visual disturbances. These visual aura symptoms typically occur right before the full-scale migraine attack begins.
Many people consider the visual aura symptoms a warning sign or pre-migraine symptom that the migraine is about to strike.