Migraines May Heighten Risk of Vision Problems

Study finds link among middle-aged people with history of the headaches

By Amanda Gardner
HealthDay Reporter

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TUESDAY, May 15 (HealthDay News) -- Men and women who reach middle age with a history of migraines and other headaches are more likely to have damage to the retina of the eye than people without such a history, a new study says.

This damage, called retinopathy, can lead to severe vision loss and even blindness.

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"The people with a history of migraines were more likely to have retinopathy and that's consistent with other studies linking both migraine and retinal disease with stroke," said study lead author Kathryn Rose, a research assistant professor of epidemiology at the University of North Carolina, Chapel Hill.

Dr. Brian M. Grosberg, director of the Inpatient Headache Program at Montefiore Headache Center in New York City, added: "This provides further evidence to support the hypothesis that neurologic and vascular components may underlie migraine headaches. Recent studies have demonstrated associations between migraine with aura and increased risk of cardiovascular disease and stroke. These data suggest that migraine may either lead to or be associated with vasculopathy (disease of the blood vessels)."

The study is published in the May 15 issue of the journal Neurology.

According to background information in the article, migraine headaches affect about 17 percent of women and 6 percent of men in the United States. The underlying mechanisms of migraines are unclear, although scientists think both blood vessels and nerves are involved.

Migraine headaches can be particularly debilitating and can involve additional, unintended problems. A recent survey commissioned by the National Headache Foundation found that 20 percent of migraine sufferers are taking potentially addictive medications that contain barbiturates or opioids and have not been approved for this use.

Migraines have been strongly associated with an increased risk of stroke, including one study that found a 70 percent higher stroke risk among women who have migraines compared with those who don't.

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