staring spells

So, part of my job is to give tours of the winery to customers. I talk about the history of the place, how we make wine, etc. For the past few weeks, I've had auras and staring spells, causing me to pause in the middle of my speech. I typically then forget what I was talking about. I usually...

I have severe staring spells. When I was born I had a tumor on my head the pressure damaged my eyesight and gave me seizures. They did surgery and put me on phenobarbital but mom heard it makes kids slow so she took me off. Now I suffer severely from staring spells. They come frequently and last...