noun
degenerative eye disorder with cloudiness in front of the pupil
Rare medical term; refers to an eye condition where opacity develops in front of the pupil, impairing vision. Contrast with 底翳 (そこひ), which is cloudiness behind the pupil.
See also: 底翳
古典医学書には「上翳」という病名が見られる。
The disease name '上翳' appears in classical medical texts.
うわひは、瞳孔の前に濁りが生じる目の病気を指す。
Uwahi refers to an eye disease where cloudiness forms in front of the pupil.
底翳 refers to cloudiness behind the pupil (e.g., cataract), while 上翳 refers to cloudiness in front of the pupil.
The term is composed of 上 (うわ, 'upper' or 'front') and 翳 (ひ, 'film over the eye'). The exact historical derivation is uncertain; it is a traditional medical term.