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目的观察直肌线状折叠术治疗共同性斜视的远期效果。方法共同性斜视163例,其中内斜视66例,外斜视97例。手术方式分为单纯直肌加强术或直肌加强联合减弱术,加强术式包括直肌线状折叠术和经典的直肌缩短术,减弱术式均为直肌后退术。患者随机分为2组,分别采用直肌线状折叠术和直肌缩短术。使用三棱镜交替遮盖法测量看近(33cm)和看远(5m)时第一眼位水平斜视度。分别检查记录术前、术后1周、术后1月、术后1年的斜视度数变化并加以比较。结果内斜视组采用直肌折叠术和直肌缩短术相比,术后1周、1月、1年的变化均无显著性差异(P>0.05)。外斜视组采用直肌折叠术和直肌缩短术相比,术后1周、1月、1年的变化也无显著性差异(P>0.05)。但外斜视组术后1年时的斜视度和术后1周及1月相比存在显著性差异(P<0.05)。结论直肌线状折叠术与传统直肌缩短术矫正斜视有同等的效果。但操作更简便。
Objective To observe the long-term effect of rectus linear fold surgery on common strabismus. Methods 163 cases of common strabismus, including esotropia in 66 cases, exotropia in 97 cases. Surgical methods are divided into simple rectus augmentation or rectus muscle strengthening combined with weakening, strengthening surgical procedures including rectus linear fold and classic rectus shortening surgery, weakening surgery are rectus. Patients were randomly divided into two groups, respectively, rectus linear fold surgery and rectus muscle shortening. Using the prisms alternating cover method to measure the near (33cm) and look far (5m) when the first level of horizontal strabismus. The changes of strabismus before surgery, one week after surgery, one month after surgery and one year after surgery were recorded and compared. Results There was no significant difference in the 1 week, 1 month and 1 year postoperatively between the rectus fold group and the rectus muscle fold group in the esotropia group (P> 0.05). There was no significant difference in the change of postoperative 1 week, 1 month and 1 year between rectus abdominis group and rectus muscle shortening group (P> 0.05). However, the strabismus at 1 year after surgery in the esotropia group was significantly different from that at 1 week and 1 month after operation (P <0.05). Conclusions Rectus linear fold surgery has the same effect as orthodontic strabismus. But the operation is more simple.