The Adjustable Harada-Ito Procedure

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Abstract
• In four patients with superior oblique palsy, symptomatic excyclotorsion was present without a substantial vertical deviation. Surgery of anteriorizing and lateralizing the anterior fibers of the superior oblique tendon on an adjustable suture was performed (adjustable Haradalto procedure). The morning after surgery, adjustment of the suture was made to eliminate the torsional deviation. The suture was loosened when an overcorrection was present and was tightened when an undercorrection was present. Follow-up varied from two to 20 months. All patients remained free of torsional symptoms and no vertical deviation was induced. In addition, the eyes operated on had no limitation of elevation in adduction. The technique allows the surgeon to more exactly adjust the advanced fibers of the superior oblique tendon so as to minimize or eliminate the excyclotorsion and eliminate symptomatic complaints.

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