To discussion the opportunity choice on the intermittence exotropia surgery. [Methods] 79 ex-otropia patients who had the surgery treatment.

• 探讨间歇性外斜视的手术时机。[方法]对79例手术治疗的间歇性外斜视患者,按年龄、双眼视功能状态、斜视类型分组进行观察、研究。