May 2003
Volume 44, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2003
The Effects of Dominant and Nondominant Eye in Binocular Rivalry
Author Affiliations & Notes
  • T. Handa
    Ophthalmology, Doctor's Program of Medical Science/Kitasato University, Sagamihara, Japan
  • H. Uozato
    Ophthalmology, Doctor's Program of Medical Science/Kitasato University, Sagamihara, Japan
  • K. Mukuno
    Ophthalmology, Doctor's Program of Medical Science/Kitasato University, Sagamihara, Japan
  • T. Niida
    Ophthalmology, School of Health Sciences/International University of Health and Welfare, Ohtawara, Japan
  • N. Shoji
    Ophthalmology, School of Allied Health Sciences/Kitasato University, Sagamihara, Japan
  • K. Shimizu
    Ophthalmology, School of Allied Health Sciences/Kitasato University, Sagamihara, Japan
  • Footnotes
    Commercial Relationships  T. Handa, None; H. Uozato, None; K. Mukuno, None; T. Niida, None; N. Shoji, None; K. Shimizu, None.
  • Footnotes
    Support  Santen Pharmaceutical
Investigative Ophthalmology & Visual Science May 2003, Vol.44, 2777. doi:
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    • Get Citation

      T. Handa, H. Uozato, K. Mukuno, T. Niida, N. Shoji, K. Shimizu; The Effects of Dominant and Nondominant Eye in Binocular Rivalry . Invest. Ophthalmol. Vis. Sci. 2003;44(13):2777.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose: To elucidate the characteristic feature in binocular rivalry with regard to ocular dominance. Methods: The feature of dominant and nondominant eye in binocular rivalry was measured in 14 subjects. In study 1 using rectangle gratings of 1, 2, 4 c/deg in 2, 4, 8 deg, target intensity in one eye varied as decreasing contrast intensity or adding ±spherical lenses, when target intensity of other eye fixed at highest intensity. In study 2 using rectangle grating of 2c/deg in 4deg, target intensity in dominant eye varied with decreasing contrast or adding ±spherical lenses, when target intensity of nondominant eye fixed at highest intensity. These features are elucidated as a total time of exclusive visible. Results: In study1, nondominant eye showed a remarkably inverted V-shaped feature of exclusive visibles as decreasing contrast and adding +spherical lenses in nondominant eye. A significant difference between lower intensity (60% and +1.5D) and highest intensity (99% and 0D) was found in 2c/deg (p<0.05). In study 2, the reverses of exclusive visible in nondominant eye were found in all contrast or spherical lens conditions except for 99% and 0, +0.5D. Most subjects showed the reverse at 60% and +1.5D. Conclusions: The features in dominant and nondominant eye were significant, especially a characteristic preference in lower intensity of 2c/deg in nondominant eye, and strongly supports the existence of eye rivalry in binocular rivalry. Our new balance technique of binocular rivalry can easily grasp feature of ocular dominance. Support: Ministry of Education, Science, Sports, and Culture of Japan (No 11835036)

Keywords: binocular vision/stereopsis • contrast sensitivity • spatial vision 
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