Chapter

Vergence eye movements

Ian P. Howard

in Perceiving in Depth

Published in print February 2012 | ISBN: 9780199764143
Published online May 2012 | e-ISBN: 9780199949359 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199764143.003.0299

Series: Oxford Psychology Series

Vergence eye movements

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After a description of different types of eye movement the chapter describes the different types of horizontal vergence, including tonic vergence, proximal vergence, vergence induced by changes in accommodation, and vergence induced by binocular disparity. The different attributes of vergence are described, including its gain, range, latency, and dynamics. The eyes also change their vertical alignment to produce vertical vergence, and rotate in opposite directions about the visual axes to produce cyclovergence. The stimuli that evoke vertical vergence and cyclovergence, and interactions between different types of eye movements are described. The chapter ends with a discussion of the physiology of vergence eye movements.

Keywords: eye movements; vergence; tonic vergence; proximal vergence; vertical vergence; cyclovergence

Chapter.  56850 words.  Illustrated.

Subjects: Neuroscience

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