...I dont think my comment can help but.. I am in 80s migraines started when I was bout 13... in those days just an Aspirin. When the zig zags invisition started with the hours long migraine pain one side I am not sure.. This continued until around my late thirties when the pain one side actully stopped but I still get the Aura - typical tiny blind spot in visiton increasing with flashing zigzags very bright even with closed eyes for around 20 minutes.... no regular time of day etc. Total about 12 a year .. so am fortunate to have stopped that pain but they still frighten me and ovr the yeas I have a list of medical issues. I dont take any medication. In my 20s i was given CafergotPH and took the full dose and could hardly wake up to go to work so I decided to just take a tylenol or such .. and now nothing. I do try and imagine the bright lights as a sort of fireworks display to calm my nerves but I know will have this til I pass away. Consolences to all sufferers of any type of Migraine. The worst part was they would start during a work day etc.