I have been having headache at times and its been diagnosed as migraine. What is the possible permanent remedy for migraines? I’m using glasses all the time but I don’t know to distinguish whether the headache is because of glass or any other cause ? If I skip meal or breakfast then mild headache will come. If I go out on hot sun then again headache starts and remains for a while. I m getting headache on a frequent interval that too on back side of head. While lying and sleeping also...