also: にくげん
noun
naked eye; unaided eye
Only with reading にくがん
Refers to vision without the aid of optical instruments such as telescopes or microscopes. Common in scientific and everyday contexts.
この星は肉眼では見えない。
This star is not visible to the naked eye.
肉眼で確認できる大きさの文字を書
Please write characters large enough to be seen with the naked eye.
noun
physical eye; fleshly eye
Buddhist term, usually read にくげん. One of the five types of vision (五眼), referring to ordinary physical sight as opposed to spiritual or transcendent vision.
See also: 五眼
仏教では、肉眼は五眼の一つとされる。
In Buddhism, the physical eye is considered one of the five types of vision.