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Lateral rectus belly transposition without tenotomy for acquired inferior rectus weakness: a Case series
Weiyi Xia1, Wen Wen1, Xiying Wang1
1Department of Ophthalmology and Vision Science, Eye & ENT Hospital, Fudan University, Shanghai, China; Key Laboratory of Myopia, Ministry of Health, Fudan University, Shanghai, China; Shanghai Key Laboratory of Visual Impairment and Restoration, Fudan University, Shanghai, China.
Abstract:
We present a new procedure for treating inferior rectus weakness by means of lateral rectus belly transposition, without tenotomy or muscle splitting of the transposed muscle. In this technique, the lower margin of the lateral rectus belly is tied 8 mm posterior to the insertion then transposed to the sclera 2 mm temporal to and 8 mm posterior to the temporal pole of the inferior rectus muscle. We report 3 cases of inferior rectus underaction treated using this procedure. Postoperatively all 3 patients showed complete correction of vertical deviation in primary position and experienced greatly improved depression capacity, without newly induced horizontal or torsional deviation.
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