Emmetropia

[,emә'trәupiә]

解释:

(noun.) (ophthalmology) the normal refractive condition of the eye in which there is clear focus of light on the retina.

录入:威廉敏娜--From WordNet

解释:

(n.) 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, an astigmatism.

艾布拉姆编辑

解释:

n. the normal condition of the refractive media of the eye.—adj. Emmetropi′c.

录入:勒达