noun, noun which may take the genitive case particle 'no'
naked eye; unaided vision; uncorrected vision
Refers to vision without glasses, contact lenses, or other visual aids. Often used in phrases like 裸眼で見る or 裸眼視力.
I can read the distant sign with my naked eye.
彼の裸眼視力は0.1以下だ。
His uncorrected vision is below 0.1.
unaided vision; naked-eye acuity; uncorrected visual acuity
Compound of 裸 (naked) and 眼 (eye). The reading らがん is the on'yomi for both characters.