[Conclusion] Eyes visual function which patients had before the intermittence exotropia surgery strongly influence the eyes position after the surgery, and also early operation is propitious to maintain eyes position and restore eyes visual function.

• [结论]间歇性外斜视术前有双眼单视功能者对术后眼位的影响较大,且早期手术有利于维持眼位正位及恢复双眼单视功能。