adjective / noun

binocular

bih-NAHK-yuh-ler/bɪˈnɑːkjələr/

Involving both eyes together.

He uses binocular vision to look through both eyepieces at once.

Close-up of an older man actively looking through binoculars, with one eyepiece fitted to each eye and both hands supporting the instrument, making simultaneous use of both eyes concrete.
Etymology

The components combine pairedness with “of the eye.” The word first described having two eyes, then came to describe using or involving both eyes together.

In context

Chadwick Optical0:47
that is binocular vision. So, that's your two eyes. And for the most part, your two eyes are constantly in this state of seeing two things all the time
Foundation of Vision 4: Binocular Vision

More examples

  • Binocular vision helps us judge depth.
  • He adjusts both eyepieces of the binoculars.
  • The examination tests her binocular coordination.

Forms

binocular · binoculars

Similar words

monocular
Uses one eye or one viewing tube.
stereoscopic
Emphasizes the perception or production of three-dimensional depth.