Y-splitting medial rectus muscle and recession in treatment for convergence excess esotropia
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Ning-Dong Li. Department of Ophthalmology, the Second Affiliated Hospital of Fujian Medical University, Quanzhou 362000, Fujian Province, China; Department of Ophthalmology, Beijing Children’s Hospital, Capital Medical University, Beijing 100045, China; Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing 100045, China; Department of Ophthalmology, Children’s Hospital, Capital Institute of Pediatrics, Beijing 100020, China. lnd30@163.com

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Supported by the National Natural Science Foundation of China (No.81670883).

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    Abstract:

    AIM: To evaluate the surgical outcome of medial rectus (MR) recession with Y-splitting procedure in treatment of esotropia with convergence excess. METHODS: Medical records were retrospectively reviewed for those patients who underwent surgical treatment for their convergence excess esotropia (CEET) between January 2018 and December 2020. Refractive error was examined by the equipment of the VS100 (Welch Allyn). The surgical approach was bilateral MR recession with Y-splitting. The amount of recession was calculated according to the deviation angle at distance. Ocular movement and ocular alignment at distance and near were evaluated pre- and post-operatively. Binocular sensory status was evaluated by the Bagolini striated glasses at near and distance, and by stereoacuity assessment at near using the Titmus test. RESULTS: Six patients with CEET were included in this study. Four of them were hyperopia and two of them were myopia. A mean of eso-deviation angle at distance had been changed from 27.3±13.02 prism diopters (PD) preoperatively to 1.83±1.60 PD postoperatively (P<0.05), while a mean of eso-deviation angle at near had been changed from 50.00±20.74 PD preoperatively to 6.83±0.98 PD postoperatively (P<0.05). Patients had obtained binocular vision postoperatively. CONCLUSION: The surgical approach of Y-splitting MR and recession is effective in treatment of CEET.

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Li-Juan Huang, Yu-Yu Wu, Ning-Dong Li. Y-splitting medial rectus muscle and recession in treatment for convergence excess esotropia. Int J Ophthalmol, 2022,15(4):661-665

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Publication History
  • Received:June 29,2021
  • Revised:December 09,2021
  • Adopted:
  • Online: March 29,2022
  • Published: