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目的：探讨共同性斜视的垂立偏斜因素及斜视与 ＡＣ／Ａ的关系．方法：同视机检查 ＡＣ／Ａ比率，三棱镜检查ＡＶ现象，通过眼球运动检查眼外肌强弱，遮盖及去遮益法检查是否有Ｄ．ＶＤ．存在．结果 本组病例伴有垂直偏斜时为下斜肌功能过强、下直肌功能不足、Ｄ．ＶＤ．．Ｖ现象发生率为 １５．４％，Ａ现象发生率为 ７．０４％，ＡＣ／Ａ比率＜２△Ｄ外斜明显多于内斜，＞６△／Ｄ者内斜多于外斜．结论 对共同性斜视患者要详细定性、定量检查水平及垂直向的眼外肌，注意有否ＡＶ现象、ＤＶＤ，了解ＡＣ／Ａ比率以指导斜视矫正术的设计．
Objective: To investigate the vertical skewness and the relationship between strabismus and AC / A in common strabismus. Methods: With the same machine to check the AC / A ratio, the prism detected AV phenomenon, eye movement through the examination of the strength of extraocular muscles, cover and to check the method to see if there is D. VD. exist. Results This group of patients with vertical skewed inferior oblique muscle function is too strong, inferior rectus dysfunction, D. VD. . The incidence of V was 15.4%, the incidence of A was 7.04%, the ratio of AC / A <2ΔD was significantly more than that of internal oblique, and> 6 △ / D was more than that of external oblique. Conclusions For patients with common strabismus, we should conduct qualitative and quantitative examination of horizontal and vertical extraocular muscles, pay attention to whether there is AV phenomenon, DVD, and understand the AC / A ratio to guide the design of strabismus surgery.