Oh, well I had scotomas for a few weeks post embolisation and I had a repeat after the check up angiogram. If by “ocular migraine” you mean visual disturbances akin to migraine aura, e.g. scotomas or flashes, I think these are driven by the contrast material and become less frequent as everything settles down.
See here. These visual effects turned out to be scotomas. My Update - Dural AVF Embolization - #22 by DickD
If you read further you’ll see these faded away: