![]() Your vision may also become blurry or dim. Partial or total vision loss typically lasts 10 to 20 minutes before returning to normal. Other researchers suggest electrical changes in the neurons of the retina cause them. Some researchers point to a possibility that a narrowing of the retinal or ciliary arteries causes them. The reason why these migraine episodes develop is controversial. Retinal migraine is a condition that causes partial or full vision loss in one eye and a headache within 60 minutes of vision loss. Sometimes it’s used to specifically refer to a type of migraine called retinal migraine. It may take a little longer due to the nature of complex migraine.īut it’s important to know that the experience of complex migraine is different from a person who experiences a stroke, which may have lasting effects.The term “ ocular migraine” is often used to refer to any type of headache that causes visual changes. But what’s important to know about complex migraine symptoms is that they are reversible.Ī person who has complex migraine will ultimately have symptoms that go away. NORD also emphasizes that migraine can last for several days in some people. The most significant aura symptoms usually last about an hour but may have lingering effects for up to a week, according to the National Organization for Rare Disorders (NORD).įollowing an aura comes migraine.
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