Optic Migraine Migraine Of The Optic Nerve? Help Temporary Vision Loss?

Migraine of the optic nerve? help temporary vision loss? - optic migraine

Its only happened twice in recent years, but today I had an episode, blurred in a small area of my vision. and trying to the point where it is to spread a little sharp hurt. I do not know why this happens or what can I do to fix it, someone knows something about it?