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Webster 1913 Edition
Emmetropia
‖
Emˊme-tro′pi-a
(ĕm′mē̍-trō′pĭ-ȧ)
, Noun.
[NL., fr. Gr.
ἔμμετροσ
in measure, proportioned, suitable (ἐν
in + μέτρον
measure) + ὤψ
, ὠπός
, 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
.