Ocular

Ocular
Having to do with the eye. In a microscope, the lens closest to the eye is termed the ocular (the eyepiece) whereas the objective (also called the objective lens) is the lens nearest to the object being examined. The light microscope today is usually binocular (with one ocular for each eye) and has a turret bearing a selection of objective lens.
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1. SYN: ophthalmic. 2. The eyepiece of a microscope, the lens or lenses at the observer end of a microscope, by means of which the image focused by the objective is viewed. [L. oculus, eye]
- compensating o. an o. that compensates and corrects for the effects of chromatic aberration in the objective.
- Huygens o. the compound o. of a microscope, composed of two planoconvex lenses so arranged that the plane side of each is directed toward the observer.
- o. motor relating to or causing movements of the eyeball.
- Ramsden o. an eyepiece of a microscope, consisting of two planoconvex lenses with convexities turned to each other.
- wide field o. an o. that gives a larger than usual field of view and a high eyepoint.

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oc·u·lar 'äk-yə-lər adj of or relating to the eye <the \ocular adnexa include the eyelids and the lacrimal glands>
ocular n EYEPIECE

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adj.
of or concerned with the eye or vision.

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oc·u·lar (okґu-lər) [L. ocularis, from oculus eye] 1. of, pertaining to, or affecting the eye; called also ophthalmic and optic. 2. eyepiece.

Medical dictionary. 2011.

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  • ocular — OCULÁR, Ă, oculari, e, adj., s.n. 1. adj. Care ţine de ochi1, privitor la ochi1, al ochiului1. ♢ Martor ocular = persoană care a văzut cum s a petrecut un fapt. 2. s.n. Sistem optic convergent sau divergent alcătuit dintr o lentilă sau dintr un… …   Dicționar Român

  • ocular — (Del lat. oculāris). 1. adj. Perteneciente o relativo a los ojos. 2. Que se hace por medio de ellos. 3. m. Ópt. Sistema de lentes que, a fin de ampliar la imagen real dada por el objetivo, se coloca en el extremo de un instrumento por el que mira …   Diccionario de la lengua española

  • ocular — adjetivo 1. Área: medicina De los ojos: nervio ocular, afección ocular. globo* ocular. sustantivo masculino 1. Área: óptica Lente o sistema de lentes que amplía la imagen en algu …   Diccionario Salamanca de la Lengua Española

  • Ocular — Oc u*lar, a. [L. ocularis, ocularius, fr. oculus the eye: cf. F. oculaire. See {Eye}, and cf. {Antler}, {Inveigle}.] 1. Depending on, or perceived by, the eye; received by actual sight; personally seeing or having seen; as, ocular proof. Shak.… …   The Collaborative International Dictionary of English

  • Ocular — may refer to: Eye, an organ of vision that detects light Eyepiece, the optical element closest to the eye in a telescope or microscope Ocular scale, a type of scales in reptiles This disambiguation page lists articles associated with the same… …   Wikipedia

  • ocular — adj. oftalm. Relativo al ojo. Medical Dictionary. 2011. ocular 1. relativo o perteneciente al …   Diccionario médico

  • ocular — adj. 2 g. 1. Relativo aos olhos; relativo à vista. 2. Que presenceia. 3. Diz se do vidro (de um instrumento óptico) a que se aplica o olho (em oposição a objetivo). • s. f. 4. Lente ou vidro ocular …   Dicionário da Língua Portuguesa

  • ocular — [äk′yo͞o lər, äk′yələr] adj. [LL ocularis < L oculus,EYE] 1. of, for, or like the eye 2. by eyesight [an ocular demonstration] n. the lens or lenses constituting the eyepiece of an optical instrument ocularly adv …   English World dictionary

  • Ocular — Oc u*lar, n. (Opt.) The eyepiece of an optical instrument, as of a telescope or microscope. [1913 Webster] …   The Collaborative International Dictionary of English

  • Ocular — (v. lat. Ocularis), 1) was auf das Auge Bezug hat; Oculares dentes, Augenzähne. Ocularglas, das dem Auge zunächst zugekehrte Glas (Linsenglas) bei Fernröhren u. Mikroskopen, s.b. Ocularriß, blos nach dem Augenmaße entworfene Zeichnung; 2)… …   Pierer's Universal-Lexikon

  • Ocular — Ocular, das Auge betreffend; O.g las. Augenglas. O., bei einem Fernrohre od. Mikroskope das dem Auge zugekehrte Glas, entweder eine concave Linse, wie bei dem holländ. Fernrohr, wodurch der betrachtete Gegenstand aufrecht erscheint, oder eine… …   Herders Conversations-Lexikon

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