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The Collaborative International Dictionary of English v.0.48 (gcide)

Emmetropia \Em`me*tro"pi*a\ ([e^]m"m[-e]*tr[=o]"p[i^]*[.a]), n.
[NL., fr. Gr. 'e`mmetros in measure, proportioned, suitable
('en in me`tron measure) 'w`ps, 'wpo`s, 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}.
[1913 Webster]

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