nystagmusglossary / NYSTAGMUS nystagmus (ni-stag-m[schwa]s). A rapid, involuntary jerking or twitching of the eyes, sometimes caused by ingesting drugs or alcohol. See HORIZONTAL-GAZE NYSTAGMUS TEST. 词条贡献者 译者筠怡,毕业于法国顶尖的高级翻译学院,擅长翻译各种与产品责任与集体侵权诉讼相关的法律文件。