|
hyperopia 音标拼音: [h ,ɑɪpɚ'opiə]
n. 远视 远视 hyperopia n 1: abnormal condition in which vision for distant objects is better than for near objects [ synonym: { hyperopia}, { hypermetropia}, { hypermetropy}, { farsightedness}, { longsightedness}] [ ant: { myopia}, { nearsightedness}, { shortsightedness}] Hyperopia \ Hy` per* o" pi* a\ ( h[ imac]` p[~ e] r*[= o]" p[ i^]*[. a]), n. [ NL., fr. Gr. " ype` r over ' w` ps, ' wpo` s, the eye.] An abnormal condition of the eye in which, through shortness of the eyeball or fault of the refractive media, the rays of light come to a focus behind the retina, making vision for distant objects better than for near objects; farsightedness; -- called also { hypermetropia}. Cf. { Emmetropia}. -- { Hy` per* op" tic}, a. Syn: hypermetropia, farsightedness, longsightedness. [ 1913 Webster]
Hypermetropia \ Hy` per* me* tro" pi* a\, Hypermetropy\ Hy` per* met" ro* py\, n. [ NL. hypermetropia, fr. Gr. ? excessive ?, ?, the eye. See { Hypermeter}.] An abnormal condition of the eye in which, through shortness of the eyeball or fault of the refractive media, the rays of light come to a focus behind the retina, making vision for distant objects better than for near objects; farsightedness; -- now most commonly called { hyperopia}. Cf. { Emmetropia}. [ Obsolescent] Syn: hyperopia, farsightedness, longsightedness. [ 1913 Webster] Note: In hypermetropia, vision for distant objects, although not better absolutely, is better than that for near objects, and hence, the individual is said to be farsighted. It is corrected by the use of convex glasses. -- { Hy` per* me* trop" ic}, a. [ 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]
|
安装中文字典英文字典查询工具!
中文字典英文字典工具:
英文字典中文字典相关资料:
|