ACCOMMODATIVE AND FUSIONAL COMPONENTS OF FIXATION DISPARITY

  • 1 January 1979
    • journal article
    • research article
    • Vol. 18  (10) , 1082-1086
Abstract
Traditional measurements of fixation disparity, like other binocular measurements, confound influences from both blur-driven and disparity-driven components. Measuring fixation disparity with accommodation open-loop eliminates accommodative interactions and results with human subjects show fixation disparity is reduced to about 1/2 the valve observed normally for high levels of forced vergence. Fixation disparity curves are shaped by both accommodative and fusional vergence processes.

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