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Intra- and Postsaccadic Disparity-Induced Vergence Changes During Repeated Stimulations

  • A. Accardo
  • S. Pensiero
  • P. Perissutti
Chapter

Abstract

The two primary stimuli eliciting disjunctive eye movements are disparity and blur, which lead to fusional and accomodative vergence movements, respectively. Accomodation and fusion work together to enable clear, single vision of objects, close or distant, because normally accomodative vergence alone is not sufficient being low the AC/A ratio (from 3 to 5), which leaves a divergence of visual axes during near fixation.

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References

  1. Erkelens CJ (1987) Adaptation of ocular vergence to stimulation with large disparity. Exp Brain Res, 66: 507–516PubMedCrossRefGoogle Scholar
  2. Erkelens CJ, Collewijn H, Steinman RM (1988) Asymmetrical adaptation of human saccades to anisometropic spectacles. Inv Ophth Vis Sci, 30, 1132–45Google Scholar

Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • A. Accardo
    • 1
  • S. Pensiero
    • 2
  • P. Perissutti
    • 2
  1. 1.D.E.E.I.Universita’ di TriesteTriesteItaly
  2. 2.I.R.C.S.S.Osp. Inf. “Burlo Garofolo”TriesteItaly

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