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世界核心医学期刊文摘（眼科学分册） 2006年第9期2卷 43-44页

作者： schroth v. Jaschinski W. 赵军 Opti-School Bruggastraβe 1679117 FreiburgGermany

Background:An unequal weighting of the eyes in the directional perception of stereodisparate objects,is referred to as ocular prev.lence of the right or left eye,respectiv.ly.Between 1962 and 1964 H.-J.Haase dev.loped a v.lence test for the prismatic correction of heterophoria.He suggested that there would be less prev.lence for stereo images presented in front of or behind a reference plane,and that this asymmetry of prev.lence may be related to the direction of the associated heterophoria(eso-or exophoria).According to H.-J.Haase,the asymmetry may indicate a fixation disparity with a corresponding shift in retinal correspondence.Hence,the v.lence test could be an indicator for the prismatic correction of heterophoria.Methods:Prev.lence was tested in 37 subjects,using three methods:The subjects were asked to describe their perception(1),to make a paper drawing of their perception(2),and to align the position of the stereo images to the central fusion target with a computer-controlled dev.ce(3).Methods 2 and 3 were used to reduce a possible suggestiv. influence on part of the inv.stigator.The associated heterophoria was determined with the cross test by H.-J.Haase.Results:Depending on whether the triangular stereo images were presented behind or in front of the reference plane,more or less prev.lence was measured(mean v.lues)in the group with exophoria than in the group with esophoria.These results were confirmed with all three methods.The asymmetry of prev.lence was correlated with the direction of the associated heterophoria with r=0.5.Conclusion:Statistically,these results confirm Haase’ s hypothesis of a relation between the asymmetry of ocular prev.lence and the direction(eso-or exophoria)of the associated heterophoria.Since this relation holds true only for the group mean v.lue,but not for each indiv.dual,the v.lence test cannot be generally recommended as an adjunct for the prismatic correction of heterophoria.

关键词：立体影像隐斜视倾向性不对称平面反应眼球 Haase

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