Yes, the optic system, including the speed of the optic nerve and the eyes ability to saccade, among other things, has a functionally unlimited ability to keep

Yes, the optic system, including the speed of the optic nerve and the eyes ability to saccade, among other things, has a functionally unlimited ability to keep the brain aware of activity in the visual field (modulo optical illusions). The short term memory on the other hand is extremely limited. As always, design should be based on fundamental principles of human biology.