AIM: To investigate the effect of botulin a (BTA) on patients with congenital nystagmus (CN).

目的：观察肉毒杆菌毒素a (BTA)治疗先天性眼球震颤(CN)的效果。

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Methods In 15 HFS patients, one of their temporal and buccal branches of peripheral facial nerve was cut and in another 16 HFS patients botulin A was multifocal facial muscles.

方法15例患者进行了面神经颞颊中部分分支切断，16例患者进行了面部肌肉多点注射A型肉毒毒素治疗。

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