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The accuracy of fixation in lateral gaze and the problem of retinal slip

โœ Scribed by R. A. Crone


Book ID
104638821
Publisher
Springer-Verlag
Year
1984
Tongue
English
Weight
183 KB
Volume
58
Category
Article
ISSN
0012-4486

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โœฆ Synopsis


The mean accuracy of foveal fixation in lateral gaze was measured by means of an after-image method used previously in the study of autokinesis. During physiological excursions of gaze a lag between target image and foveal image could not be demonstrated. It must be smaller than 1/1000 of the excursion. Thus there is a striking difference between the mechanism of voluntary gaze on the one hand and the mechanism of vergence on the other hand. During sustained divergence the eyes lag almost 1/10 in respect to the required vergence.


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