4～10岁A—V综合征术后立体视重建影响因素观察

Observing the influence factors of A-V patterns＇ s stereoacuity in 4-10 years-old after operation

目的观察A—V综合征患者术后重建的影响因素。方法4．10岁A—V综合征住院患者共97例，其中V征71例，外斜V征48例，内斜V征23例，平均年龄6．3岁；A征26例，外斜A征21例，内斜A征5例，平均年龄5．9岁，随访时间8—16周，平均10．7周。术前、术后采用同视机和Tnmils和分别测定远，近立体视。观察指标包括：发病年龄、病程、术后眼位和水平斜视类型。结果97例患者中，术后正前方及下方均正位的患者共88例，术后分别有27例（30．68％）和35例（39．77％）获得了远立体视和近立体视，比例高于术后欠矫或过矫组。发病年龄组间比较，术后立体视获得比率〈3岁组低于≥3岁组（P〈0．05）；病程≤2年患者的术后获得立体视的比例明显高于病程〉3年的患者（P〈0．05）；外斜V或A征组术后的立体视获得比例要高于内斜V或A征组，组间近立体视比较，差异有统计学（P〈0．05），远视力比较差异元统计学意义（P〉0．05）。结论A—V型斜视术后立体视的重建与发病年龄和病程相关，因此早期发现，正确的诊断与治疗有助于双眼单视的恢复。

Objective To observe the influence factors of A-V patterns＇s stereoacuity in 4-10 years old children after operation. Methods Ninety-seven cases of 4-10 years-old A and V patterns were studied. Binocular corrected vision of all cases was more than 0.6. A patterns were 26 cases and V patterns were 71 cases. Followed time was 8-16 weeks. Far stereopsis acuity and near stereopsis acuity were examined with synoptophore and Titmus in each group. The influence factors included age of set, course, post-operation position of eye and squint type. Results Eighty-eight of 97 cases were obtained orthotropia on right front and lower. In the 88 cases, there were 27 （30.68%） cases obtained far stereopsis and 35 （39.77%） obtained near stereopsis. In age of onset group, there were statistically significant difference between 〈3 years-old and /〉3 years-old （P 〈0.05）. The same outcomes also were seen in course group. Course below 2 years group had higher rate than another group （P 〈0.05）. Exotropia group had higher rate than esotropia group on near stereopsis, but there was no statistically significant difference in far stereopsis. Conclusions Age of onset, course and orthotropia rate of post-operation are key to refounding the stereopsis acuity for A-V patterns patients. Correct treatment and diagnosis early are benefit to obtain the stereopsis acuity to A-V patterns patients.