see something out of the corner of your eye
idiomPart ofcorner
see something out of the corner of your eye — idiom
1. To notice something accidentally or unclearly because you are not looking direct
1.idiom
Definition
To notice something accidentally or unclearly because you are not looking directly at it.
Example
Out of the corner of her eye, she saw a cat run past.
I saw a flash of light out of the corner of my eye.