A Clear View of Ocular Migraines

What Is An Ocular Migraine?

An ocular migraine is a rare condition characterized by temporary vision loss or even temporary blindness in one eye. Ocular migraines are caused by reduced blood flow or spasms of blood vessels in the retina or behind the eye. In an ocular migraine, vision in the affected eye generally returns to normal within an hour.

Symptoms

Shimmering or flashing lights, zigzagging lines, stars, black spots are all visual cue symptoms; you’re most likely having an ocular migraine. Making it very difficult to read, write or drive. It can occur with or without the pain of a migraine headache. A blind spot in the central area of vision can start small and get larger and usually lasts less than 60 minutes.

Causes & Risk Factors

Ocular migraines are typically caused by reduced blood flow or spasms of blood vessels in the retina or behind the eye. Risk factors include:

Ocular migraines are believed to have the same causes as migraine headaches.
More common in women than men.
Most common age group 30-39.
Family history of migraine.

Treatment and Prevention

Same as prevention for migraines.
Avoid migraine triggers.
Common triggers include stress, hormonal changes, bright/flashing lights, drinking alcohol (red wine), changes in the weather, skipping meals/not eating enough, or too much or too little sleep.
Keep a headache journal including information about what you were doing, eating, or medications are taken before or after a headache occurs.
If you perform tasks that require clear vision, when an ocular migraine or visual migraine occurs, stop what you are doing and relax until your vision returns to normal.
If you’re driving, park on the side of the road and wait for the visual disturbances to pass completely.
Your doctor can advise you on the latest medicines for treating migraines, including medications designed to prevent future attacks.

If your ocular migraines or migraine auras (visual migraines) appear to be stress-related, you might be able to reduce the frequency of your migraine attacks without medicine by simply: