Hypertext Webster Gateway: "Emmetropia"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Emmetropia \Em`me*tro"pi*a\, n. [NL., fr. Gr. ? in measure,
proportioned, suitable (? in + ? measure) + ?, ?, 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,
an astigmatism.
From WordNet (r) 1.7 (wn)
emmetropia
n : (ophthalmology) the normal refractive condition of the eye
in which there is clear focus of light on the retina
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.