Assembled Data in Eye Movements
Robert William Ditchburn, J.A. Foley‐Fisher · Optica Acta International Journal of Optics · 1967
This paper assembles data (which has been previously published or included in theses) on the eye movements of fixation for a number of subjects. The following median values are obtained: Saccade amplitude 4·5 min arc, drift amplitude 2·5 min arc and intersaccadic interval 0·58 sec.