Pow Wows are the Native American peopleâs way of meeting together, to join in dancing, singing, visiting, renewing old friendships, and making new ones. This is a time method to renew Native American culture and preserve the rich heritage of American Indians.
Symptoms of ocular migraines. Some ocular migraines cause temporary but complete vision loss in one eye. Ocular migraines are usually brief, lasting less than one hour. Some people have a headache during the vision loss, others have it before or after.
Tension headaches typically don't cause nausea or vomiting, and they're usually not made worse by physical activity â which is another thing that can happen with migraines. Most migraines last anywhere from 30 minutes to 6 hours. Some can last as long as a couple of days.