Figure 5. Results of preoperative and postoperative Hess screen chart. (A) Five days after the injury. (B) Two months after the injury. (C) Seven months after the injury. (D) Six months after surgery. Hess screen chart at the time of the first visit to the previous doctor showed limitation in depression during adduction, which evolved over time, and no longer showed the typical form of superior oblique palsy. Postoperatively, vertical and torsional strabismus both improved on the Hess screen chart.