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 ?
"Ametropia, which encompasses nearsightedness, farsightedness and astigmatism, is a problem that is corrected with the prescription of lenses or glasses to measure and often affects from an early age," added the doctor.
Nearsightedness is becoming extremely common in the competitive world of today.
A survey by the National Eye Institute in 2009 found that the prevalence of nearsightedness among Americans had increased from 25 per cent to 41.6pc over the past 30 years.
A recent survey by the national eye institute in 2009 found that the prevalence of nearsightedness among Americans has increased from 25 percent to 41.6 percent over the past 30 years.
One of the most common scenarios for a pediatric eye doctor is seeing the child who is beginning to develop myopia, or nearsightedness.
The Neurological Treatment for Nearsightedness and Related Vision Problems: A Guide to Vision Improvement Based on 30 Years of Research
A health undersecretary noted a high prevalence of myopia (nearsightedness) and dry eyes resulting from long screen time.
It's just one of a larger effort to fight nearsightedness in children.
According to researchers, children who spend a lot of time with gadgets tend to develop temporary myopia (temporary nearsightedness), have obstructed balanced growth of the brain and also have a higher risk of obesity because they do not take part in physical activities.
The proposal by the authorities also seeks limiting the amount of online homework to reduce nearsightedness in children which is a growing concern among parents.
The agreement positions the EVO Visian ICL family of lenses as a premium and primary refractive procedure for patients suffering from nearsightedness. EVO is the latest version of STAAR Surgical Company's implantable collamer lens that works with the patient's natural eye to correct vision and provide patients visual freedom from spectacles and contact lenses.
The exact cause for this increase in nearsightedness is unknown but is generally thought to be connected to a genetic predisposition for myopia as well as increasing time spent in front of screens.