convergence of eyes

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• Convergence micropsia — is a type of micropsia characterized by the reduction in apparent size of objects viewed when the eyes are more converged than they need to be for the distance of the object from the eyes. [1] [2] [3] It occurs mainly during stereoscopy and when… …   Wikipedia

• Convergence insufficiency — Convergence Insufficency Classification and external resources ICD 10 H51.1 ICD 9 378.83 …   Wikipedia

• convergence phosphene —    A term used to denote a *phosphene (i.e. seeing stars ) arising physiologically in association with convergence of the eyes. In 1978 the American neuroscientist Christopher W. Tyler proposed a distinction between two types of convergence… …   Dictionary of Hallucinations

• convergence micropsia —    Also referred to as accommodative micropsia, accommodation convergence micropsia, and oculomotor micropsia. All three terms are used to denote a type of * micropsia (i.e. the visual perception of an object or stimulus that is apparently… …   Dictionary of Hallucinations

• Convergence — Contents 1 Science 1.1 Mathematics 1.2 Natural sciences …   Wikipedia

• convergence — i. The condition that exists when the distribution of winds within a given area is such that there is a net horizontal inflow of air into the area. In convergence at lower levels, the removal of the resulting excessive air is accompanied by… …   Aviation dictionary

• Convergence (eye) — In ophthalmology, convergence is the simultaneous inward movement of both eyes toward each other, usually in an effort to maintain single binocular vision when viewing an object. [1] This action is mediated by the medial rectus muscle, which is… …   Wikipedia

• convergence — 1. The tending of two or more objects toward a common point. 2. The direction of the visual lines to a near point. [L. con vergere, to incline together] accommodative c. the meter angle of c. expressed in diopters; equal to the product of the… …   Medical dictionary

• convergence — /kənˈvɜdʒəns/ (say kuhn verjuhns) noun 1. Also, convergency. the act or fact of converging. 2. Also, convergency. convergent state or quality. 3. Also, convergency. degree of convergence, or point of convergence. 4. Physiology a turning of the… …  

• convergence — /keuhn verr jeuhns/, n. 1. an act or instance of converging. 2. a convergent state or quality. 3. the degree or point at which lines, objects, etc., converge. 4. Ophthalm. a coordinated turning of the eyes to bear upon a near point. 5. Physics. a …   Universalium

• convergence — n. 1) (in neurology) the formation of nerve tracts by fibres coming together into one pathway from different regions of the brain. 2) (in ophthalmology) the ability of the eyes to turn inwards and focus on a near point so that a single image is… …   The new mediacal dictionary