Different Optic Influences of the Homolateral and Contralateral Eye on Various Functions in Unilateral Disequilibrium

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Abstract
In patients with 1-sided disturbed equilibrium, who present the sensorimotor induction syndrome, a different optic effect of the homolateral and contralateral eye was found. When the homolateral eye is kept open the spontaneous disturbances increase, while they are partly or completely corrected when opening the contralateral eye only. This different optic influence affects not only the primary unilateral postural deviations but also the various secondarily induced disturbances of the sensory and vegetative functions. The described antagonistic optic effect of the homolateral and contralateral eye is characteristic of the sensorimotor induction syndrome, and is analogous to the systematic effect of changed head posture in these patients. However, while changed head posture is a purely motor procedure, the different optic effect described here shows that the existing disturbances are also systematically influenced by a sensory procedure.