目的：探讨不同年龄段儿童间歇性外斜视手术的疗效。

方法：选择2015-03/2017-04于我院行间歇性外斜视手术的患儿300例作为研究对象，根据患儿年龄分为A组110例，年龄3～5岁； B组100例，年龄6～8岁； C组90例，年龄9～12岁。三组患儿均行间歇性外斜视手术。比较三组患儿的临床疗效、手术前后斜视度数、融合功能及立体视锐度。

结果：术后6wk，A组临床疗效总有效率为92.7%，明显高于B组(67.0%)和C组(68.9%)，三组患儿临床疗效总有效率差异有统计学意义(P<0.05)。术前，三组患儿斜视度数、融合功能、立体视锐度水平差异均无统计学意义(P>0.05)； 术后6wk，三组患儿斜视度数下降，立体视锐度与融合功能均明显改善，且A组患儿斜视度数和立体视锐度弧秒值均明显低于B组和C组，融合功能明显高于B组和C组，差异均有统计学意义(P<0.05)。

结论：间歇性外斜视患儿的年龄与术后双眼视觉恢复、重建有密切关系，年龄越小术后视觉恢复越好。

METHODS: Totally 300 cases of children who underwent intermittent exotropia surgery in our hospital from March 2015 to April 2017 were selected as the study subjects. According to the age of children, there were 110 cases in Group A, aged from 3 to 5 years. Group B: 100 cases, ages 6 to 8 years. There were 90 cases in Group C, aged from 9 to 12 years. All three groups of children underwent intermittent exotropia surgery. The clinical efficacy, strabismus before and after operation, fusion function and stereoscopic acuity were compared.

RESULTS: After 6wk, the total effective rate of clinical efficacy in Group A was 92.7%, significantly higher than that in Group B(67.0%)and Group C(68.9%,P<0.05). Before surgery, no statistically significant differences were found in the levels of strabismus, fusion, and stereoscopic acuity between the three groups(P>0.05). At 6wk postoperatively, the children in the three groups had decreased levels of strabismus, and the stereoscopic acuity and fusion function were significantly improved. In addition, the strabismus and stereoscopic acuity of the children in Group A were significantly lower than those in Group B and Group C, and the fusion function was significantly higher than that in Group B and Group C, with statistically significant differences(P<0.05).

CONCLUSION: The age of the children with intermittent exotropia is closely related to the recovery and reconstruction of binocular vision.