Surgical correction of dissociated vertical deviations.

The surgical treatment and results of 17 patients with DVD is presented. Supermaximum recessions of the superior rectus muscle were performed on the deviating eye. No lid changes or any limitation of elevation were noted following the surgery. The manifest deviation was converted to less than ten prism diopters in all except one case. Four over-corrections of two to six prism diopters of hypotropia resulted. There was no change in eye preference to the operated eye. Saccadic velocities showed no change in the acceleration or velocity of the operated superior rectus. Discussion of this technique compared to other modalities is made.