nearsightedness


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near·sight·ed·ness

 (nîr′sī′tĭd-nĭs)
n.
See myopia.
click for a larger image
nearsightedness
top: A normal eye focuses light on the retina.
bottom: An elongated eyeball causes light to focus in front of the retina.

near·sight·ed·ness

(nîr′sī′tĭd-nĭs)
The ability to see objects at close range better than distant objects. Nearsightedness is caused by the eye focusing light in front of the retina instead of directly on it, usually as a result of an elongated eyeball or a misshapen cornea. Also called myopia. Compare farsightedness.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nearsightedness - (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive abilitynearsightedness - (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
ophthalmology - the branch of medicine concerned with the eye and its diseases
ametropia - (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
Translations

near·sight·ed·ness

n. miopía. V.: myopia.

nearsightedness

n miopía (form), vista corta, dificultad f para ver los objetos lejanos
References in periodicals archive ?
Results from a five-year clinical trial show that drops of low-dose atropine significantly slowed the progression of nearsightedness in children with fewer side effects than higher dosages.
Washington, July 22 ( ANI ): A new study has revealed that that attaining a higher level of education and spending more years in school are two factors associated with a greater prevalence and severity of nearsightedness, or myopia.
TEHRAN (FNA)- Researchers found strong evidence that attaining a higher level of education and spending more years in school are two factors associated with a greater prevalence and severity of nearsightedness, or myopia.
The International Academy of Orthokeratology (IAO) is a worldwide organization of orthokeratologists who provide a non-surgical alternative for the correction of nearsightedness, astigmatism, hyperopia and presbyopia.
It looks like nearsightedness is on the rise in the United States.
musician had already been thinking about getting LASIK to correct nearsightedness and astigmatism when, nine months ago, the retina in his right eye detached.
Eye doctors once thought that nearsightedness was always passed on through genes (units of hereditary material).
A new plastic lens that is permanently implanted into the eye to correct nearsightedness has been approved for use by the US Food and Drug Administration (FDA).
McDonald, Clinical Professor of Ophthalmology at Tulane University (New Orleans, LA) and director of the Refractive Surgery Center of the South (New Orleans, LA), was the first to use the excimer laser to correct nearsightedness and farsightedness in human eyes.
He uses surgical eye lasers, or excimer lasers, to treat nearsightedness and astigmatism.
Automated lamellar keratoplasty also reshapes the cornea using a microsurgical instrument to remove a minuscule layer covering the cornea, thus flattening it to correct virtually any degree of nearsightedness.
They found a clear correlation between nearsightedness, IQ and years of schooling.