Even with perfect eyesight, most visual cueing and a lot of filling in of detail is done by the brain, and not received by direct physical stimuli through the optic nerves. This can be seen in optical illusions meant to highlight or isolate certain aspects of visual construction.
Slashdot Mirror
Even with perfect eyesight, most visual cueing and a lot of filling in of detail is done by the brain, and not received by direct physical stimuli through the optic nerves. This can be seen in optical illusions meant to highlight or isolate certain aspects of visual construction.