Parameters of Fixation Disparity
- 1 September 1980
- journal article
- research article
- Published by Wolters Kluwer Health in Optometry and Vision Science
- Vol. 57 (9) , 610-617
- https://doi.org/10.1097/00006324-198009000-00012
Abstract
This paper reviews the definition, causation, and significance of fixation disparity and suggests that the magnitude and character of fixation disparity depend on several major parameters: individual differences in the efficiency of motor and sensory processes of binocularity; natural or prism-induced demands on motor fusion; the presence or absence of foveal or parafoveal fusion clues; and the presence or absence of vergence adaptation. The clinical and research usefulness of fixation disparity as an indicator of binocular stress is emphasized.Keywords
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