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binocular

binocular

2 4.4
Using both eyes to see
  • adjective
  • /bɪˈnɒkjʊlər/
translation icon : binocular
  • The disadvantages of the endoscope include a loss of binocular vision and depth perception, but these drawbacks are easily overcome with experience.
  • binocular vision
  • binocular disparity
  • binocular depth perception

Got out of the pool, took a shower, dried off and then completely lost binocular vision for three days.

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Examples

  • Depth perception relies on binocular vision, the ability to focus on one object with both eyes and fuse the image.

    Academic text (1995)
  • Upright bipedalism, opposable thumb, stereoscopic binocular vision, all really good.

  • Got out of the pool, took a shower, dried off and then completely lost binocular vision for three days.

  • Those type of binocular vision issues can be trained again through the training of the communication between the brain and those muscles.

  • Grace is, at this moment, swimming closer to me through the binocular lenses.

    Fiction book (1996)
  • Although eye movements were recorded from one eye, viewing was binocular.

    Academic text (2013)
  • Viewing was binocular, and recordings were sampled from the right eye at 1,000 Hz.

    Academic text (2018)
  • The binocular vision of the child improved after wearing special glasses.

  • To accurately judge the distance, he relied on his binocular vision.

  • The doctor explained that binocular vision is essential for depth perception.

Compounds

binocular vision
  • Specialized
1 3.8

Seeing with both eyes helps you judge distance and see more around you

binocular microscope
  • Specialized
5.5

A microscope with two eyepieces for looking with both eyes

Surface Forms

binocular positive

Morphology

binocular = ocular (transparent) = bi + ocular

The prefix 'bi-' meaning 'two' attached to 'ocular' ('relating to the eye') yields the clear meaning 'relating to both eyes'.

Etymology

Binocular is made from the parts bi- 'two' and ocular 'eye', the same bi- you find in bicycle. So, something binocular uses both eyes at once, which is why binocular vision helps you judge how far things are.