应用常规量内、外直肌后退术联合缩短术，治疗大度数水平斜视，经观察证明，往往存在着斜视度矫正不足的问题，而且在手术中常常产失使病人难以忍受的痛．近几年来，我们经过临床观察总结，并参考国内，外文献资料，对矫正大度数水平斜视进行了改进，提出用超常规量的内、外直? The application of conventional amount, the lateral rectus retraction surgery combined with shortening, the treatment of large number of horizontal strabismus, the observation shows that there is often the problem of lack of correction of strabismus, and surgery often produce the patient unbearable pain. In recent years, we have concluded through clinical observation, and reference to domestic and foreign literature, the degree of correction of the large number of strabismus has been improved, the proposed ultra-normal amount of internal and external straight?