Does anyone else here experience "aura migraine" - the visual disturbance without the

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headache?

I've had them on and off for 30 years - first time when I was at bat in a softball game and realized that the ball was obscured by a flashing area. They last about half an hour for me - quite the light show as the zig zag pattern starts at the center of my vision as a small area then moves outward as zig zag colorful flashing pattern, toward my vision periphery - then after about a half hour it is gone.

I just had one that was quite odd - it sent in reverse, started at the edge and moved inward. I went into a bit of a cold sweat as it happened, but now am fine - normal vision, feeling great.

I've asked my eye doc and my regular doc - neither has a whole lot of info - and the Google indicates that they are a bit of a mystery as well, with no clear elevated risk factors of any sort.

Just wanting to compare notes with others that have had there or have them, esp if their docs told them something different, or if you found a way to reduce them, treat them, etc. I do wonder what the trigger is - and if they can ever evolve into an aura with a headache.