David Baxter PhD
Late Founder
Ocular migraine: What causes it?
By Mayo Clinic Staff
Sep 14, 2007
What causes an ocular migraine ? a migraine aura without the headache? Is it a sign of something serious?
Answer: Usually, an ocular migraine is not cause for concern. But ocular migraine symptoms can interfere with daily activities, such as reading and driving. These episodes, also called migraine aura or optical migraine, occur without a headache and are relatively common. During an ocular migraine, you may see:
It's possible that you may have several ocular migraine episodes in a short interval of time, and then not experience any for months or even years before experiencing additional episodes. If ocular migraines persist, worsen or become accompanied by a migraine headache, talk to your doctor to seek appropriate treatment for your condition.
By Mayo Clinic Staff
Sep 14, 2007
What causes an ocular migraine ? a migraine aura without the headache? Is it a sign of something serious?
Answer: Usually, an ocular migraine is not cause for concern. But ocular migraine symptoms can interfere with daily activities, such as reading and driving. These episodes, also called migraine aura or optical migraine, occur without a headache and are relatively common. During an ocular migraine, you may see:
- Flashes of light
- Zigzagging patterns
- Blind spots
- Shimmering spots or stars
It's possible that you may have several ocular migraine episodes in a short interval of time, and then not experience any for months or even years before experiencing additional episodes. If ocular migraines persist, worsen or become accompanied by a migraine headache, talk to your doctor to seek appropriate treatment for your condition.