(A) In primary gaze, the patient has an exotropia. (B) On attempted gaze to the right, adduction of the left eye is decreased consistent with a left internuclear ophthalmoplegia; there was an associated abducting nystagmus of the right eye. (C) On attempted gaze to the left, adduction of the right eye is decreased consistent with a right internuclear ophthalmoplegia; there was an associated abducting nystagmus of the left eye.