Perspective distorsion refers to extreme difference in reproduction scale within a subject. This will be due to the subject-camera distance being of the magnitude as the distances within the subject itself. This is easily achieved by employing wide-angle lenses.
Originally Posted by darinwc
Though those converging lines are a matter of perspective or rather the inclination between subject- and film plane, the angle of convergence can be influenced by perspective distorsion. Thus both phenoma can add to each other.