What happens to eye when
looking up and down during convergence?
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When Listing's plane rotates temporally by as much as
the eyes converge, the eyes
- incyclorotate when looking up and
- excyclorotate when looking down.
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Copyright © 1996 Tutis Vilis and Douglas Tweed
University of Western Ontario
London Ontario Canada
Updated October 28, 2005
Comments welcome. Email to tutis.vilis@schulich.uwo.ca