经过：这对夫妇使用小剂量的可致命毒素治疗“斜视眼”的眼皮痉挛和其他眼肌肉功能障碍，于是他们发现这种毒素有一种特别有意思的副作用。
What Happened: the couple were using small doses of a deadly toxin to treat "crossed eyes" eyelid spasms and other eye-muscle disorders when they noticed an interesting side effect.
结论局部注射A型肉毒素可作为治疗面肌和眼睑痉挛的新方法。
Conclusions Local injection of kreotoxin A is a new method in the treatment of facial spas and blepharospasm .
其毒素刺激神经，造成肌肉强直和频繁发作的痉挛。
Its toxin stimulates nerves, causing muscle rigidity with frequent spasms.
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