Does anyone know of documented information on how much of a typical pedestrian's horizontal peripheral vision is used while walking?
I seem to recall, but cannot remember from where ( - probably one of those bio classes I had to take way back in college), that typically, a person is most aware of events within the Near Peripheral area - 35 degrees of ones forward line of sight, or put otherwise - a lateral arc of 70 degrees with the forward line of sight at the center of the arc.
Likewise, I have heard that for an unaware, non-vigilant, or distracted person will usually be unaware of events within their Far Peripheral areas (60 degrees from line of sight, to the outer edge of perception), and often unaware