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固定性上斜视较为罕见。由于先天或后天原因使上直肌纤维化,下直肌萎缩或缺如,单眼或双眼被纤维化的上直肌索条牵引,使眼球固定于上斜位、下转严重受限。被动转动眼球,不能使眼球至正常眼位,常伴有眼球及眼外肌发育异常。目前有关矫正固定性上斜视的方法都不理想,术后短期内眼位又恢复到原来位置。有人试图用上直肌完全断腱或后退至赤道部以后来改善眼位,但常常无效或改善眼位量较小。作者采用上直肌断腱加下斜肌缩短,附着点前移或异体巩膜条固定牵引等方法治疗9例10只眼收到满意效果,现介绍典型病历如下。例1 女性41岁自幼双眼上斜。视力右眼
Fixed strabismus is relatively rare. Due to congenital or acquired causes of upper rectus fibrosis, inferior rectus atrophy or absence, orbital orbital fibrosis of the upper muscle strands traction, the eye fixed in the upper oblique position, turn severely limited. Passively turn the eye, can not make the eye to normal eye position, often accompanied by eye and extraocular muscle dysplasia. The current method of correction of strabismus is not ideal, after a short period of time to restore the original position of the eye position. Someone trying to improve the position of the eye by using the superior rectus muscle to complete the tendon or retreat to the equator, but often ineffective or to reduce the amount of eye position. The author of the upper rectus tendon plus oblique oblique, attachment point or traction fixed scleral traction and other methods in 9 cases of 10 eyes received satisfactory results, the typical medical records are as follows. Example 1 Female 41 years old Both eyes oblique. Eyesight right eye