Does anyone treat visual distortions during aura or migraine headaches?

Aura management. I would imagine that treating the migraine headaches would result in diminishing visual distortions.
Yes. You can have treatment with a cryotron. Google it to find if anyone in your area has one, or get to someone who does, beforehand to prevent it..

Related Questions

Are aura migraine headaches and seeing floaters life threatening and a problem with your brain or eyes?

No. While some migraineurs may get a death wish, a headache never actually killed anybody. A headache (uncommonly) may herald a dangerous or life-threatening event, but not a PRIMARY headache like migraine. You need to educate yourself about migraines so that you can control them; otherwise they will control you. There are good books and also see e.g. Read more...