myopia
NounWordNet 3.0
Noun (1)
- (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurredSynonyms: nearsightednessshortsightedness
Webster's Dictionary (GCIDE)
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 very near objects are normally converged so as to produce a distinct image. It is corrected by the use of a concave lens. [1913 Webster]
ametropia \am`e*tro"pi*a\ ([a^]m`[-e]*tr[=o]"p[i^]*[.a]), n. [Gr. 'a`metros irregular + 'w`ps, 'wpo`s, 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^]m`[-e]*tr[o^]p"[i^]k), a. AS [1913 Webster +PJC]