nystagmus

名词 nystagmus:

1. involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders

nys.tag.mus

n.（名词）
A rapid, involuntary, oscillatory motion of the eyeball.
眼球震颤：眼球快速地，不由自主地震颤移动

来源：
New Latin
现代拉丁语
from Greek nustagmos [drowsiness]
源自 希腊语 nustagmos [困倦]

【引伸】
nystag.mic