裸ら眼がん

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.

• 裸ら眼がんで遠とおくの看かん板ばんが読よめる。

  I can read the distant sign with my naked eye.

• 彼かれの裸ら眼がん視し力りょくは0.1以い下かだ。

  His uncorrected vision is below 0.1.