@umbra21 - Technically everyone has a scotoma as well. It's known as the "blind spot" and it's the part of the eye where the nerve connecting it to the brain is attached and there are no receptive cells (I think).
But, since you've got it there all the time, your brain manages to convince you that it doesn't exist.
I remember in school they showed us a few tricks for revealing your blind spot. I don't remember them now, but I'm sure people could find them online if they wanted to.