Emmetropia
Emmetropia Em`me*tro"pi*a ([e^]m"m[-e]*tr[=o]"p[i^]*[.a]), n. [NL., fr. Gr. 'e`mmetros in measure, proportioned, suitable ('en in + me`tron measure) + 'w`ps, 'wpo`s, eye.] (Med.) That refractive condition of the eye in which the rays of light are all brought accurately and without undue effort to a focus upon the retina; -- opposed to {hypermetropia}, {myopia}, and {astigmatism}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Emmetropia — (from the Greek emmetros, well proportioned, fitting ) describes the state of vision where an object at infinity is in sharp focus with the eye lens in a neutral or relaxed state. This condition of the normal eye focuses rays exactly on the… …   Wikipedia

  • emmetropia — /em:etro pia/ s.f. [comp. del gr. émmetros di giusta misura e opia ]. (med.) [normale capacità visiva] ◀▶ astigmatismo, miopia, presbiopia …   Enciclopedia Italiana

  • emmetropia — [em΄ə trō′pē ə] n. [ModL < Gr emmetros, in measure, fit < en , in + metron, MEASURE + OPIA] the condition of normal refraction of light in the eye, in which vision is perfect emmetropic [em΄əträp′ik] adj …   English World dictionary

  • emmetropia — The state of refraction of the eye in which parallel rays, when the eye is at rest, are focused exactly on the retina. [G. emmetros, according to measure, + ops, eye] * * * em·me·tro·pia .em ə trō pē ə n the normal refractive condition of the eye …   Medical dictionary

  • emmetropia — normalusis regėjimas statusas T sritis fizika atitikmenys: angl. emmetropia; normal vision vok. Emmetropie, f; Normalsichtigkeit, f; Rechtsichtigkeit, f rus. нормальное зрение, n; эмметропия, f pranc. emmétropie, f; vision normale, f …   Fizikos terminų žodynas

  • emmetropia — emmetrope, n. emmetropic /em i trop ik, troh pik/, adj. /em i troh pee euh/, n. Ophthalm. the normal refractive condition of the eye, in which the rays of light are accurately focused on the retina. [1860 65; < NL, equiv. to emmetr (s. of Gk… …   Universalium

  • emmetropia — noun The condition of perfect vision, where images are correctly brought to a focus on the retina …   Wiktionary

  • emmetropia — em·me·tro·pì·a s.f. TS med. normale capacità di rifrazione dell occhio Contrari: ametropia. {{line}} {{/line}} DATA: 1875. ETIMO: comp. del gr. émmetros di giusta misura e di opia …   Dizionario italiano

  • emmetropia — {{hw}}{{emmetropia}}{{/hw}}s. f. Vista normale …   Enciclopedia di italiano

  • emmetropia — pl.f. emmetropie …   Dizionario dei sinonimi e contrari

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