noun, noun which may take the genitive case particle 'no'
both eyes; binocular
Used in technical or descriptive contexts to refer to both eyes or binocular vision. Often appears in compounds like 双眼鏡 (binoculars).
双眼で見ると立体感が得られる。
Viewing with both eyes gives a sense of depth.
彼は双眼鏡で遠くの船を見た。
He looked at the distant ship through binoculars.