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目的探讨儿童间歇性外斜的手术时机。方法(4.5～9)岁儿童间歇性外斜43例,A组:4.5～6岁共19例;B组:7～9岁共24例。采用双外直肌后徙缝线悬吊术,手术前后分别测定33cm和5m斜视角及双眼视觉诱发电位(VEP)双眼总和,并进行统计学分析。结果术后眼位以斜视度≤10△为正位,小年龄组与高年龄组术后12m正位率相同,术后两组间VEP双眼总和比值无差异。结论小年龄儿童手术成功率并无明显增高,儿童间歇性外斜手术不一定必须在低年龄行手术矫正。
Objective To investigate the timing of surgery in children with intermittent external oblique. Methods: Children aged 4.5-9 years had 43 cases of intermittent external oblique, Group A: 19 cases of 4.5 to 6 years old; Group B: 24 cases of 7 to 9 years old. Using double lateral rectus retrograde suture suspension surgery before and after surgery were measured 33cm and 5m oblique angle and binocular visual evoked potential (VEP) binocular sum, and statistical analysis. Results The postoperative ocular strabismus was less than or equal to 10 △ as the positive position. The positive rate of postoperative 12m was the same in the younger group and the high age group. There was no difference in the total postoperative VEP binocular ratio between the two groups. Conclusion The success rate of operation in children of younger age is not significantly higher. Children with intermittent exotropia may not necessarily have surgery at a younger age.