Size Constancy

Size constancy is where we perceive objects as a constant size, even while our distance from them varies. Even though there may be a wide distance between you and the object being perceived, we still see that object of having the same constant size. An example of this is having two lotion bottles far apart. They have the same dimensions even though there is still much distance between them. We still have the ability to perceive that the furthest away bottle is the same size as the nearest.