near point

near point
near point n the point nearest the eye at which an object is accurately focused on the retina when the maximum degree of accommodation is employed compare FAR POINT see RANGE OF ACCOMMODATION

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the nearest point at which the eye can distinctly perceive an object; the nearest point of clear vision; called also punctum proximum.

Medical dictionary. 2011.

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Look at other dictionaries:

  • near-point — near′ point n. the point nearest the eye at which an object is clearly focused on the retina when accommodation of the eye is at a maximum Compare far point • Etymology: 1875–80 …   From formal English to slang

  • near point — noun : the point nearest the eye at which an object is accurately focused on the retina when the maximum degree of accommodation is employed, having an approximate value of 4 inches in infancy, 10 inches in the normal adult eye, and 13 inches in… …   Useful english dictionary

  • near point — artimasis taškas statusas T sritis fizika atitikmenys: angl. near point vok. Nahpunkt, m rus. ближняя точка, f pranc. point proche, m …   Fizikos terminų žodynas

  • near-point — /near poynt /, n. Ophthalm. the point nearest the eye at which an object is clearly focused on the retina when accommodation of the eye is at a maximum. Cf. far point. [1875 80] * * * …   Universalium

  • near-point — /near poynt /, n. Ophthalm. the point nearest the eye at which an object is clearly focused on the retina when accommodation of the eye is at a maximum. Cf. far point. [1875 80] …   Useful english dictionary

  • near point absolute — the near point for either eye alone with accommodation relaxed …   Medical dictionary

  • near point relative — the near point for both eyes with the employment of accommodation …   Medical dictionary

  • near-point reaction — constriction of the pupil when the gaze is fixed on a near point …   Medical dictionary

  • near point — noun Date: 1876 the point nearest the eye at which an object is accurately focused on the retina at full accommodation …   New Collegiate Dictionary

  • near point of convergence — the point of intersection of the lines of sight at maximum convergence …   Medical dictionary

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