Paroptic

These five series of experiments confirmed him in his opinion that there is a "paroptic" perception which is sui generis, and he decided to examine this in greater detail rather than establish further instances of its existence.

Source: wiktionary

The paroptic vision—that of seeing with the fingertips—could be a bridge between physical and psychic vision.

Source: wiktionary

Experiments with paroptic vision were carried out in the late nineteenth and early twentieth centuries by the scientists Cesare Lombroso and Jules Romains, with startling results. (See Colin Wilson's Poltergeist [1981] and Afterlife [1987] for an account of Lombroso's work.)

Source: wiktionary

In the Farbenlehre Goethe had classified color phenomena into the subjective physiological colors, the objective chemical colors, and the subjective-objective phsyical colors. he identified entoptics as subjective-objective, to be added to his earlier discussion of dioptric, catoptric, paroptic, and epoptic.

Source: wiktionary