Vertical Vergence Demand: An Analysis Of Fixation Disparity And Adaptation.

Vertical fixation disparity introduced into the binocular visual system of most patients has been shown to change with time as the result of adaptation to the new vergence demand. The purpose of this study was to determine the extent to which the parameters of
the vertical fixation disparity curve are related to the ability to adapt to new vertical vergence demands. Clinical implications of this relationship are discussed.