Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The condition of the normal eye when parallel rays of light are focused exactly on the retina and vision is perfect.
from The Century Dictionary.
- noun Normal power of accommodation, in which the light from a luminous point at any distance from the eye not less than 10 or 12 centimeters (3.9 or 4.7 inches) can be focused to a point on the retina. Also
emmetropy .
from the GNU version of the Collaborative International Dictionary of English.
- noun (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 , andastigmatism .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The condition of perfect
vision , where images are correctly brought to a focus on theretina .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun (ophthalmology) the normal refractive condition of the eye in which there is clear focus of light on the retina
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[Greek emmetros, well-proportioned, fitting (en, in; see en– + metron, measure; see meter) + –opia.]
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Examples
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Report this comment to the moderators emmetropia Writes:
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William Boothe Dallas diplopia - Double vision or seeing double usually with both eyes open as in binocular diplopia, but can be with only one eye as in monocular diplopia. emmetropia - Perfect distance vision without the need of glasses. endophthalmitis - An inflammation within the eye.
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Abbreviations 6 to 10 emmetropia = EM exotropia = XT
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Abbreviations 6 to 10 emmetropia = EM exotropia = XT
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Abbreviations 6 to 10 emmetropia = EM exotropia = XT
Recently Uploaded Slideshows petermavrik 2009
she commented on the word emmetropia
That is, 20/20 vision.
July 9, 2008