Whats the relationship between migraines and vision problems?
Roughly 20% of migraine headaches are preceded by an aura. The aura often includes visual symptoms. Vision problems usually appear 20 minutes to one hour before the headache starts. They may include blind spots or the appearance of flashing lights, spots of light, or wavy lines in the field of vision. Migraines without aura — the most common type of migraine — do not produce aura symptoms to warn of their onset. They can, though, still cause vision problems and dizziness. The International Headache Society also recognizes a type of migraine known as retinal migraine. This type of migraine produces a variety of visual symptoms. People with retinal migraines may suffer from blindness in one eye before and during the headache. Other serious conditions, such as optic nerve problems or a tear in the arteries that supply blood to the brain, may cause one-sided blindness. Therefore, it’s important to consult a health care professional immediately to rule out other causes. Fortunately, the b
