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目的探讨共同性内斜视水平肌止端的的位置与后徙量之间的关系。方法对57例共同性内斜视,斜视角40Δ-140Δ患者的内外直肌止端进行测量,主要行内直肌后徙并根据测量结果加大手术量可至原附着点后8mm。结果以角膜缘计手术量加大了内直肌后徙量,治愈率达94．8％。57例共同性内斜视患者中水平肌止端异常者28例(49．1％),主要是内直肌止端变异大,均为80Δ-140Δ大角度者。结论肌肉附着点位置与斜视的发生有密切关系,内斜视中尤以内直肌为主,斜度越大,内直肌止端异常率越高,所以手术以角巩缘计手术量是内直肌后徙术的确切标准。
Objective To investigate the relationship between the position of posterior end of sphincter of common esotropia level and the amount of posterior rectum. Methods Fifty-seven patients with common esotropia and strabismus angle of 40Δ-140Δ were measured at the end of the rectus abdominis. The main rectus muscles were retrograde and the operation volume was increased to 8mm after the original attachment point according to the measurement results. Results The operation of limbus increased the amount of rectus medialis rectum, the cure rate was 94.8%. Among 57 patients with common esotropia, 28 patients (49.1%) had abnormal level of myo-anastomosis, which was mainly due to the large variation of the end-rectus of the rectus muscle, all of which were 80Δ-140Δ. Conclusions The position of muscle attachment point is closely related to the occurrence of strabismus. In particular, the medial rectus muscle is predominant in esotropia. The greater the slope is, the higher the anteroposterior abnormality rate is. Therefore, After resettlement exact criteria.