In 50% of cases, ocular migraines cause temporary but complete vision loss in one eye. In the other half of cases, ocular migraines can cause vision disturbances such as:
Partial vision loss
Scotomas, or a blank spots in your vision
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.
Although painful and troublesome, most headaches are minor and can be easily treated with aspirin or another pain reliever. But if your headaches are severe, recur frequently, or are accompanied by other symptoms, you may need to see a health care provider.
Headaches are categorized according to their underlying causes. Common types of headaches include:
Tension headaches afflict almost everyone at one time or another. They bring on a dull, constant, non-throbbing pain that can make your...
If you get to the doctor during an ocular migraine, he or she will be able to see the decreased blood flow in your eye with a device called a fundoscope. However, since ocular migraines are fairly brief, it's more likely that you will be diagnosed based on your 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: