Three-Dimensional Analysis of Eye Movements

Abstract

Eye movement is defined as the rotational movements about three axes with respect to the eye in the primary position: an axis for vertical movements (X axes); an axis for horizontal movements perpendicular to the first axis (Z axis); and an axis for torsional movements about the line of sight (Y axis).
To record these three axes' rotational eye movements accurately, three-dimensional analysis of the movements is necessary. Until very recently, however, few methods of analysis have been reported. In this paper, the significance of three-dimensional analysis of eye movements is discussed with the use of actual three-dimensional analysis data, and our own analysis system.