Abstract
Purpose: We reported a patient of exotropia with a lost medial rectus muscle, who was successfully treated with a muscle-tendon transposition with expanded polytetrafluoroethylene (e-PTFE) band augmentation. Methods: Interventional case report. Results: A 65-year-old woman had exotropia of 90 prism diopters due to a long-standing lost rectus muscle in her left eye. A muscle-tendon transposition with e-PTFE band augmentation was performed on her left eye, and an improved ocular alignment was obtained. However, exposure of e-PTFE band occurred two months postoperatively. A secondary operation was performed with a modification of trimmed e-PTFE band ends and anchored suture. Finally, a successful ocular alignment was obtained and since then no further complications have occurred. Conclusion: Muscle-tendon transposition with e-PTFE band augmentation may be a good option of treatment in the management of strabismus caused by lost rectus muscles. Further modification of surgical technique is necessary to avoid e-PTFE band exposure.
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