I'm lucky that the migraines I had had every month since puberty disappeared with the onset of menopause.
However, I did have a constant headache for a few weeks a while back. I went to see the GP, who checked for anything serious, but all fine. I had had an eye test and my symptoms didn't seem to indicate eye problems. In desperation, I went for an extra eye test and lo and behold, there had been a sudden deteriation in my eyesight. New glasses, headache gone.
Do consider having an eye test just in case.