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目的 :探讨长眼轴的共同性外斜视的矫正手术量。方法 :行双侧外直肌对称性后徙术共同性外斜视 74例 ,术前采用A/B型超声波测量眼轴。分为正常眼轴组 (眼轴长 2 2 75± 1 0 0mm)和长眼轴组 (眼轴长>2 3 75mm)。正常眼轴组按外直肌常规后徙量手术 ,长眼轴组按外直肌加大后徒量手术。结果 :近期随访(术后 1周 )正位率 ,正常眼轴组为 87 50 % ,长眼轴组为 82 77% ,两组差异无显著性 (P >0 0 5) ;长期随访(术后≥ 6周 )正位率 ,正常眼轴组为 80 0 0 % ,长眼轴组为 76 92 % ,两组差异无显著性 (P >0 0 5)。结论 :对长眼轴的共同性外斜视加大其外直肌后徙手术量 ,可获得与正常眼轴的共同性外斜视行常规外直肌后徙术相同的效果。
Objective: To investigate the corrective surgery of common exotropia in long axis. Methods: A total of 74 patients with bilateral exoskeleton symmetry retrograde surgery exotropia were treated with A / B ultrasound before operation. Divided into normal axial group (axial length 2 2 75 ± 1 0 0mm) and long axial group (axial length> 2 3 75mm). The normal axis group according to the rectus abdominis recuperation surgery, long axis of the group according to the lateral rectus enlargement after the amount of surgery. Results: In the recent follow-up (1 week after operation), the positive rate was 87.5% in the normal axial group and 82.77% in the long axial group, with no significant difference between the two groups (P> 0.05) After ≥ 6 weeks), the positive rate was 80% in the normal axial group and 76% in the long axial group. There was no significant difference between the two groups (P> 0.05). CONCLUSIONS: The common exotropia of the long axial axis increases the amount of postoperative rectus abdominis rectus surgery and can achieve the same effect as the common exotropia in normal axial rectus after conventional lateral rectus ablation.