Ametropia Am`e*tro"pi*a, n. [Gr. ? irregular + ?, ?, eye.] (Med.) a visual impairment resulting from faulty refraction of light rays in the eye. Subtypes include {myopia} {astigmatism} and {hyperopia}. -- {Am`e*trop"ic}, a. [1913 Webster +PJC]

The Collaborative International Dictionary of English. 2000.

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  • myopia — (n.) short sightedness, 1727, medical Latin, from Late Gk. myopia near sightedness, from myops near sighted, lit. closing the eyes, from myein to shut (see MUTE (Cf. mute) (adj.)) + ops (gen. opos) eye (see EYE (Cf …   Etymology dictionary

  • myopia — [mī ō′pē ə] n. [ModL < Gr myōpia < myōps: see MYOPE] 1. an abnormal eye condition in which light rays from distant objects are focused in front of the retina instead of on it, so that the objects are not seen distinctly; nearsightedness 2.… …   English World dictionary

  • Myopia — My*o pi*a, n. [NL. See {Myope}.] (Med.) Nearsightedness; shortsightedness; a condition of the eye in which the rays from distant object are brought to a focus before they reach the retina, and hence form an indistinct image; while the rays from… …   The Collaborative International Dictionary of English

  • myopia — ► NOUN 1) short sightedness. 2) lack of foresight or intellectual insight. DERIVATIVES myopic adjective. ORIGIN from Greek muein shut + ps eye …   English terms dictionary

  • Myopia — For other uses, see Myopia (disambiguation). Myopia Classification and external resources ICD 10 H …   Wikipedia

  • Myopia — Klassifikation nach ICD 10 H44.2 Degenerative Myopie/Maligne Myopie H52.1 Myopie H52.5 Akkommodationsspasmus …   Deutsch Wikipedia

  • Myopia — Este artículo o sección necesita referencias que aparezcan en una publicación acreditada, como revistas especializadas, monografías, prensa diaria o páginas de Internet fidedignas. Puedes añadirlas así o avisar al autor princi …   Wikipedia Español

  • Myopia — Nearsightedness, the ability to see close objects more clearly than distant objects. Myopia can be caused by a longer than normal eyeball or by any condition that prevents light rays from focusing on the retina. Most forms of myopia can be… …   Medical dictionary

  • myopia — /muy oh pee euh/, n. 1. Opthalm. a condition of the eye in which parallel rays are focused in front of the retina, objects being seen distinctly only when near to the eye; nearsightedness (opposed to hyperopia). 2. lack of foresight or… …   Universalium

  • myopia — noun Etymology: New Latin, from Greek myōpia, from myōp , myōps Date: circa 1752 1. a condition in which the visual images come to a focus in front of the retina of the eye resulting especially in defective vision of distant objects 2. a lack of… …   New Collegiate Dictionary

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