Relative Height

Monocular Cue: Relative Height:

We perceive objects higher in our field of vision as farther away which creates the illusion that taller objects are longer than shorter objects.

The taller buildings, in this silhouette of New York City, appear to be farther back in the skyline even though you can't actually see their placing.  This is because the taller buildings are higher in our field of vision and appear longer.









The one can appears closer to us because it is taller than the other one which gives it the appearance that it is longer.







Since the blue ball is higher up in our field of vision, it creates the illusion that it is farther away.