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由于先天性(生后早期)或后天性上斜肌麻痹所引起的下斜肌功能过强,导致上斜视、复视和斜颈,在临床上十分常见。在先天性垂直肌肉病变的患者中,表现为下斜肌功能过强的,按Derson(1947)的统计占71%,国内赫雨时氏认为占90%。Parks(1974)指出在水甲性斜视中有65%的患眼同时伴有下斜肌功能过强,因此减弱下斜肌的手术应视为一种常规手术。作者近三年共作下斜肌部份切除术21例,均收到较好的效果。手术操作简单,未见并发症。小结如下:
Due to congenital (early or postnatal) or posterior oblique muscle paralysis caused by oblique function too strong, leading to strabismus, diplopia and torticollis, is very common in the clinic. In patients with congenital vertical muscle lesions, the performance of the hypothalamic hyperactivity, according to Derson (1947) accounted for 71% of the statistics, the domestic Heyu Shi think 90%. Parks (1974) pointed out that 65% of the affected eyes with aqueous hyaline strabismus had hypoketropia too strong, so surgery to weaken the inferior oblique muscle should be regarded as a routine procedure. The author made a total of 21 cases of partial oblique resection in the past three years, both received good results. Surgical operation is simple, no complications. The summary is as follows: