Produced by NAC Inc. (Japan), it shows the subject's eyemark as a spot superimposed on the entire field of view being observed or recorded. From these records, analyses can be made on time history of the eyemark, timing of eye fixation, direction and distance of eye movement under stimuli, relative motion between the eye and head, and distribution of eye fixation distances.

While the centralized state, administrative, political or supervisual remains, there can be no real democracy, a loose confederation of communities at a national level without any centralized state whatsoever.

A wider view, a greater time, a far more cosmic corelation, must be taken in viewing disease than our nosological necessities have tended to foster.

Modern civilization is a product of industrialization and globalization.