Abstract: Objective To analyze the binocular visual function reconstruction and its influencing factors in postoperative orthophoric children with intermittent exotropia. Design Retrospective case series. Participants 414 postoperative orthophoric children with intermittent exotropia in Beijing Tongren Hospital from 2009 to 2019. Methods The binocular vision of 414 children was detected with synoptophore and the stereogram designed by Yan Shao-ming before and after surgery. The patients were divided into several groups separately according to the binocular vision detected by synoptophore before surgery, the age of onset, the age of surgery and the maximum distant deviation. Binocular vision reconstruction refers to the establishment of normal binocular vision after strabismus treatment. Main Outcome Measures The binocular vision detected with synoptophore and the near stereoacuity. Results There was no statistical difference in the near stereoacuity before and after surgery (χ2=0.999，P=0.382). The reconstruction of binocular vision in the group with distant stereoacuity before surgery was the best (χ2=49.929，P=0.000). In terms of the age of onset, the preoperative distant binocular vision of 0~3 years old group was significantly worse than that of 4~8 years old and 9~12 years old groups (χ2=18.592，P=0.006). There was no significant difference in the distant and near binocular vision after surgery among the three age groups (all P>0.05). In terms of the age of surgery, the preoperative distant binocular vision of 9~13 years old group was better than that of 3~4 years old and 5~8 years old groups (χ2=16.586，P=0.011). There was no significant difference in the distant and near binocular vision after surgery among the three age groups (all P>0.05). In terms of the maximum distant deviation, the preoperative and postoperative distant binocular vision of small deviation group was significantly better than that of medium and large deviation groups (all P＜0.05). There was no significant difference in the near stereoacuity before and after surgery among the three deviation groups (all P>0.05). Conclusion Whether there is distant stereoacuity before surgery is an important factor of the binocular vision reconstruction. The earlier age of onset, the greater deviation, the more serious damage to the distant binocular vision was. （Ophthalmol CHN, 2021, 30: 62-65）

Key words: intermittent exotropia, binocular vision, stereoacuity