Lasting Effects Months After Scintillating Scotoma?

I used to get migraines all the time as a kid/teenager and I've always had headaches and sensitivity to light/sound/smell etc. But there was a period of time where the full-blown migraines stopped. This summer, I had surgery under general anesthesia for something completely unrelated. But afterwards, I had all sorts of dizzy spells and lightheadedness. I also experienced my first aura migraine with scintillating scotoma. I've had MRI's and numerous tests done to rule out anything concrete. And the dizziness has dissipated, although not disappeared. However, I notice my right eye's vision still feels affected, months after the scintillating scotoma. Has anyone else experienced this?