Also found in: Thesaurus, Medical, Encyclopedia.
click for a larger image
pair of binoculars


 (bə-nŏk′yə-lər, bī-)
1. Relating to, used by, or involving both eyes at the same time: binocular vision.
2. Having two eyes arranged to produce stereoscopic vision.
often binoculars An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by both eyes and consisting of two small telescopes joined together.

bin·oc′u·lar′i·ty (-lăr′ĭ-tē) n.
bin·oc′u·lar·ly adv.


1. binocular characteristics
2. the use of two eyes at once
References in periodicals archive ?
The AC/ A ratio is typically between three to four prism dioptres per accommodative dioptre in eyes with functionally normal binocularity.
report that patients with similar strabismus diagnoses may exhibit different types of abnormal head position (AHP) and that patients may develop amblyopia or lack binocularity despite AHP.
Functional vision refers to a variety of specific functions of the eye and the neurological control of these functions such as binocularity, pursuit, saccades, accommodation, convergence etc.
The association between anisometropia, amblyopia, and binocularity in the absence of strabismus.
Raven's formal conceit joins the famous "separation shot" from Jean-Luc Godard's Adieu an langage (Goodbye to Language, 2014) in staging "bad" 3-D in order to foreground embodied binocularity.
Binocularity in refractive accommodative esotropia.
Phrased differently, they have been two people in a prolonged conversation about what the phenomenon of binocularity is all about.
As I understand it, then, binocularity assumes a distinction between public and private morality (between "cultural and individual values," in Parens and Johnston's language).
Though they assess binocular vision parameters, they leave the management of anomalies to textbooks on abnormal binocularity.
As defined by Tannen, this therapy helps patients develop or improve fundamental visual skills and abilities such as binocularity (eye teaming), accommodation (focusing), and eye movements (visual tracking); improve visual comfort, ease, and efficiency; and change how they focus or interpret visual information.
Binocularity is highly dependent upon the efficiency of the fourteen muscles of the eyes as well as the two sides of the brain.
The risk of accidents among drivers with both a minimal loss of visual acuity and the lack of binocularity was moderately higher than among other drivers (OR = 1.