laterotorsion

A twisting to one side; denoting rotation of the eyeball around its anteroposterior axis, so that the top part of the cornea turns away from the sagittal plane. [latero- + L. torsio, a twisting]

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lat·ero·tor·sion (lat″ər-o-torґshən) [latero- + torsion] turning the eyeball to the left or right on its anteroposterior axis.