Mine started with a very weird feeling that something was off in my vision (usually triggered while working on a screen). I would notice after a while that a ti

Mine started with a very weird feeling that something was off in my vision (usually triggered while working on a screen). I would notice after a while that a tiny portion of my vision was going missing and then the shimmering would begin and spread out. I've also not had auras for several years though I do get headaches still. I had extremely low vitamin b-12 levels and I think the auras disappeared after I took shots for b-12.