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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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    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, 2016

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