What is that eye sight called when your looking straight but can see the sides?

Question

There was a word for it! I just can't remember it. My english teacher told me last year. ugh. It just bothers me. I need to know it. LOL. remember it's when you look straight but you can see the left and right , but you really aren't looking there. you know what i mean?

EX. I'm watching tv. My sisters right next to me, i can see what she doing but it's blurred. lol

Answer 1

it's definitely called peripheral vision.

Answer 2

peripheral vision.

Answer 3

tunnel vision?