Eye Movements

What are the various characteristics for vergence and version eye movements for vertical, horizontal and torsional eye rotations? Which objectives eye recording methods a suitable for a given application? What are their strengths and limitations? Which visual features elicit the strongest responses? What is the relationship between compensatory eye movements and the perception of surface slant, tilt or depth? What perceptual artefacts occur when optical misalignment exist causing disparity in the system?