There are only two forces in the world, the sword and the spirit. In the long run, the sword will always be conquered by the spirit. - Napoleon Bonaparte
The sense of sight differs considerably from the other senses. What we see with our eyes inside our head is projected outward and we have little consciousness of anything occurring inside our eyes. This makes it extremely difficult to convince ourselves that it is essentially a subjective sensation.
This chapter discusses how optical illusions are related to binocular vision, perspective, distance and size perception, and depth and stereoscopic vision.
Click the link below to start reading this chapter.
