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Frank,毕业于英国一流的高级翻译学院,擅长翻译涉及交通物流领域的法律文件。