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Definition of the noun ametropia

What does ametropia mean as a name of something?

noun - plural: ametropias

  1. (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia

Alternative definition of the noun ametropia


  1. [medicine] Any of several disorders of the eye (spherical or cylindrical) resulting from faulty refractive ability.


Ametropia: An optical condition in the eye where there is an error of refraction of light rays on the retina.

Printed dictionaries and other books with definitions for Ametropia

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Google previewManual of ophthalmology (1917)

Axial ametropia is the condition in which the dioptric apparatus refracts equally in all meridians, but the retina of the...

Axial ametropia means that the refractive error or condition of the eye is measured on its anM tero-posterior length or axis.

Google previewPresbyopia (2015)

Therapies and Further Prospects by Alain-Nicolas Gilg

An ametropia is a refractive dysfunction, generally non-pathological one. The optical image of a far object, when the accommodation is relaxed, does not appear on the retina (See also Fig. 1.7). We distinguish the spherical ametropias from the ...

Google previewNature Cure in Eye Care (2006)

by Kailash Baviskar

Ametropia is an abnormal refractive condition of the eye. Majority of the errors of refraction are due to changes in the length of the eye ball introduces 3 diopters of refractive error. The refractive errors of the eye are usually consistent in nature, ...

Google previewOphthalmic Dictionary and Vocabulary Builder for Eye Care Professionals (2012)

by Harold A Stein, Raymond M Stein

Ametropia is the measurement of an abnormal eye. Hyperopia (hyper, “beyond,” opia, “eye”) refers to a far-sighted eye ...

Google previewScanning Probe Microscopy in Nanoscience and Nanotechnology (2010)

by Bharat Bhushan

Ametropia is a deviation from emmetropia, with light rays focused either in front of or behind the macula (myopia and hyperopia, respectively) [135]. Contact lenses are the most popular form of nonsurgical refractive correction. However, the ...

Google previewA Manual of Clinical Ophthalmology (1892)

by Howard Forde Hansell, James H. Bell

Ametropia is a generic term used to express variations Fig. 28. Condition of Refraction in the Normal Eye During Accommodation. from the normal refraction, and has no reference to the kind or degree of refractive error. An ametropic eye may ...

Google previewThe American Encyclopedia and Dictionary of Ophthalmology (1921)

by Casey Albert Wood

If we assume that the error of refraction is entirely due to differences in length, axial ametropia, the retinal images would be unaffected in size by correcting glasses at 13 mm. from the eye. On the other hand, if all the eyes were of the same ...

Google previewAn Encyclopedia-dictionary and Reference Handbook of the Ophthalmic Sciences (1903)

Designed to Give, in Complete and Accurate Statement, and in the Readiest Form for Popular Use, the Orthography, Pronunciation, Meaning and Etymology of All the Words and Terms Used in the Ophthalmic Sciences by Robert H. Knowles, Rollin Henry Knowles

Ametropia (ah-met-ro' -pe-ah). [ Greek ...

Google previewA Dictionary of Ophthalmology (2017)

by Robert Barry, Alastair Denniston

ametropia. The presence of *refractive error, resulting in the failure of the eye to focus light from an object onto the retina to form a clear image. It is a common cause of reduced visual acuity, and can be divided into *myopia, *hypermetropia, ...

Google previewConcise Medical Dictionary (2015)

by Elizabeth Martin

ametropia. n. any abnormality of *refraction of the eye, resulting in blurring of the image formed on the retina. See ASTIGMATISM, HYPERMETROPIA, MYOPIA. Compare EMMETROPIA.

Google previewBlack's Medical Dictionary (2009)

by Harvey Marcovitch

Ametropia. see REFRACTION. Amikacin. One ofthe AMINOGLYCOSIDES, amikacin is a semi-synthetic derivativeof KANAMYCIN, which isusedtotreat infections caused by micro-organisms resistant to GENTAMICIN and TOBRAMYCIN.

Google previewPocket Medical Dictionary (1999)

by B. Jain Publishers Staff

An instrument for measuring ametropia. Ametropia, ah-met-ro'-pe-ah. Abnormal refraction of the eye. Ametropic, ah-met- rop"-ik.

Google previewThe Encyclopedia of Blindness and Vision Impairment (2002)

by Jill Sardegna, Susan Shelly, Scott Steidl

ametropia The act was intended to make all areas—includ- ing the workplace, recreational facilities, restaurants, places of worship, schools, and so forth — accessible to those with any kind of disability, including blindness or vision ...

Google previewThe Student's Medical Dictionary (1896)

Including All the Words and Phrases Generally Used in Medicine, with Their Proper Pronunciation and Definitions-- by George Milbry Gould

Ametropia exists when an imperfect image is formed upon the retina, due to defective refractive power of the media, or to abnormalities of form of the eye. In myopia the antero posterior diameter is too great, or the power of the refractive media ...

Google previewThe American Illustrated Medical Dictionary (1915)

ametropia due to lengthening of the eyeball on the optic axis. ametropic ...

Google previewJablonski's Dictionary of Medical Acronyms & Abbreviations (2008)

by Stanley Jablonski

affected male;akinetic mutism; alcoholic male; alveolar macrophage; alveolarmucosa; amacrine cell; ambulatory; amethopterin; ametropia; ammeter; amperemeter;ampicillin; amplitude modulation; amyl; anovularmenstruation; anterior mitral ...

Google previewThe Dictionary of Psychology (2016)

by Ray Corsini

ametropia (F. C. Donders) 1. A general term embracing any sort of regular refractive defect in the eye. 2.

Google previewA Dictionary of Medicine and the Allied Sciences (1900)

Comprising the Pronunciation, Derivation, and Full Explanation of Medical, Pharmaceutical, Dental, and Veterinary Terms by Alexander Duane

AMETROPIA 24 AMCEBA 25 the fetus and lining the umbilical cord. ALVERGNIAT lungs, an air-cell. A. of the stomach, one of the honeycomb-like depressions of which the mucous membrane of the stomach is made up. Alvergniat's pump ...

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Ametropia Meaning

Video shows what ametropia means. Any of several disorders of the eye (spherical or cylindrical) resulting from faulty refractive ability.. Ametropia Meaning.

Quotes about Ametropia

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Scrabble value of A1M3E1T1R1O1P3I1A1

The value of this 9-letter word is 13 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

Anagrams of AMETROPIA

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