名詞 mydriasis:

1. reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs

my.dri.a.sis

n.（名詞）
Prolonged, abnormal dilatation of the pupil of the eye caused by disease or a drug.
瞳孔擴散：由于疾病或者藥物引起的眼睛瞳孔變長、不正常的擴大

來源：
Latin
拉丁語
from Greek mudriasis
源自 希臘語 mudriasis