A person’s brain to eye link is not continuous. As you scan side to side you get gaps as your brain jumps slightly causing blind spots where the image is not registered. A while back I posted a link to a site describing this effect and how fighter pilots were trained to scan differently so as not to create these blind spots. I’ll have a look for the link as I think it also used car driving as well. The phenomenum is based on Saccadic eye movement. Still searching for the link! Here’s a link that shows theeffect on what we register as seeing.... https://youtu.be/qIF3FRwbG6Y
