the mathematical theory that the size of an objects visual image (that we perceive through the eye) is simply a function of its actual distance from the eye. This explains why objects appear larger when closer but smaller when further away.

LINEAR PERSPECTIVE: "The idea of linear perspective explains that the object image of something being viewed is simply a function of the actual distance from the eye."
Cite this page: N., Pam M.S., "LINEAR PERSPECTIVE," in, April 7, 2013, (accessed May 10, 2021).