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  • Title: Effects of ocular dominance on the vertical vergence induced by a 2-diopter vertical prism during standing.
    Author: Matheron E, Yang Q, Lê TT, Kapoula Z.
    Journal: Neurosci Lett; 2008 Oct 24; 444(2):176-80. PubMed ID: 18718507.
    Abstract:
    This study examined the eye movement responses to vertical disparity induced by a 2-diopter vertical prism base down while in standing position. Vertical vergence movements are known to be small requiring accurate measurement with the head stabilized, and was done with the EyeLink 2. The 2-diopter vertical prism, base down, was inserted in front of either the non-dominant eye (NDE) or dominant eye (DE) at 40 and 200 cm. The results showed that vertical vergence was stronger and excessive relative to the required value (i.e. 1.14 degrees ) when the prism was on the NDE for both distances, but more appropriate when the prism was on the DE. The results suggest that sensory disparity process and vertical vergence responses are modulated by eye dominance.
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