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Ocular Migraine Symptoms and Diagnosis

Symptoms of Ocular Migraines

In 50% of cases, ocular migraines cause temporary and dramatic visual disturbance. In the other half of cases, ocular migraines can cause lesser vision disturbances such as:

  • Blurring
  • Partial vision loss
  • Scotomas, or a blank spots in your vision
  • Dimming
  • Flashes of light

Ocular migraines are usually brief, lasting less than five minutes. However, they can last up to 30 minutes. Forty-one percent of people have a headache during the vision loss. Twenty-five percent have it before or after.

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Understanding Migraine -- the Basics

Migraines are a type of headache that cause severe, throbbing pain, often accompanied by nausea, vomiting, and sensitivity to light (photophobia) or sound (phonophobia). Migraine headaches generally last between four and 72 hours. Many people experience certain symptoms prior to the onset of the head pain. Symptoms that precede and herald an upcoming headache are referred to as an "aura," and usually last under an hour. Symptoms of an aura include: Changes in your vision (even brief blindness) ...

Read the Understanding Migraine -- the Basics article > >

Diagnosing Ocular Migraines

Since ocular migraines are fairly brief, it's likely that you will be diagnosed based on your recollection of symptoms.

The symptoms of ocular migraines are similar to those of other serious disorders, such as eye diseases and stroke. So your doctor will want to do a thorough evaluation. If you have any of the risk factors below, your doctor may run additional tests to rule out more serious conditions:

WebMD Medical Reference

Reviewed by Alan Kozarsky, MD on February 28, 2014

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