Although causes of migraine are not always certain, there have been theories that these headaches are caused by allergies, temporary edema of the brain and even endocrine disturbances. It is due to disturbance in the blood circulation in the brain. The pain is associated with the narrowing of blood vessels in the brain followed by dilation. The trigger for one of these painful attacks seems to vary from person to person.
Some factors that may be causes of migraine include:
- alcohol
- stress
- hunger
- premenstrual changes
It's also possible that eating certain foods, including milk, red wine, some cheese, and chocolate can also be among causes of migraine. Exposure to direct sunlight or even exercise has also been known to cause optical migraines.
Who is more likely to get an optical migraine?Optical migraines are usually experienced by more women than men at a ratio of 3:1. This is an illness that is usually inherited.
