Rijn, L.J. van

cyclovergence cycloversion subject torsion response vergence movement rotation position stimulus grating angle experiment direction torsional chapter vision research disparity difference plane listing result fixation target van der steen research right value vector rotation vectors image vision binocular van rijn van den berg effect collewijn orientation component torsional eye movements stimuli trial stability eye torsion frequency phase system background relation oscillation frequency measurement version 0.2 model eye positions variability howard eye movements oscillation correspondence analysis reference pattern right eye distance enright 0.0 ferman contour torsional direction prediction figure amplitude nystagmu helmholtz condition technique steen elevation change