I have a history of optical migrains. I'd have one to two a year. But lately I've been getting 2-3 a week. I don't know what is causing them. I had mentioned it to my opthamologist but she didn't seem it was anything to worry about. In fact she took me off Betoptic drops. I had been seeing a different Opthamologist for years but because of the long wait to get in to see him, I switched doctors. I was suffering "dry" eye a year ago and now it has returned, also. The new doctor opened the tear ducts (and without anesthetic). I'm petrified of having that done again. I felt it was kind of barbaric in this day in modern medicine. Seemed more like torture. Well, my tear ducts are acting up again and now more optic migrains. What is causing this to happen? My primary has increased my thyroid medication and put me on blood pressure medication.