C0002418 - An optically uncorrectable loss of visual acuity without apparent organic change or defect. 1/10
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Terms, descriptions
CUI    C0002418
RussianMedical Subject Headings Russian D000550 L3337899preferred S3865380 Y АМБЛИОПИЯ
RussianMedical Subject Headings Russian D000550 L0889782no S1093599 Y AMBLIOPIIA
RussianMDRRUS 10001911 L15732985no S19016831 Y Амблиопия, БДУ
RussianMDRRUS 10001915 L15744042no S19016832 Y Амблиопия, неуточненная
RussianMDRRUS 10001906 L15766186no S19016833 N Амблиопия
RussianMDRRUS 10001906 L15766186no S19016833 Y Амблиопия
Medical Subject Headings A0022404 AT43116633 A nonspecific term referring to impaired vision. Major subcategories include stimulus deprivation-induced amblyopia and toxic amblyopia. Stimulus deprivation-induced amblyopia is a developmental disorder of the visual cortex. A discrepancy between visual information received by the visual cortex from each eye results in abnormal cortical development. STRABISMUS and REFRACTIVE ERRORS may cause this condition. Toxic amblyopia is a disorder of the OPTIC NERVE which is associated with ALCOHOLISM, tobacco SMOKING, and other toxins and as an adverse effect of the use of some medications.
(CPTSP) CRISP Thesaurus A0473388 AT32350020 impairment of vision without detectable organic lesion of the eye.
Medical Subject Headings Czech A13057368 AT195259318 Tupozrakost. Při tupozrakosti je zraková ostrost snížená, aniž se na příslušném oku nalezne zřetelný organický nález (poškození). Jde v podstatě o funkční poruchu, která vzniká bezděčným potlačováním vjemu z oka, pokud by jeho vnímání rušilo celkový zrakový vjem. K tomu dochází např. při šilhání - strabismu. A. vzniká často již v raném dětství, kdy se však zároveň dá nejlépe léčit a odstranit její příčina. (cit. Velký lékařský slovník online, 2013 http://lekarske.slovniky.cz/ )
MSHNOR A21175085 AT211611425 Brukes uten spesifikasjon om skadet syn. Større undergrupper omfatter stimulusundertrykkende amblyopi og toksisk amblyopi. Amblyopi indusert av stimulusmangel er en utviklingsfeil i synskorteks. En diskrepans mellom synsinformasjonen som mottas i synssenteret fra hvert øye, resulterer i at ett av øynene utvikler amblyopi. STRABISME (skjeling) og REFRAKSJONSFEIL (avvik i optisk brytning) kan forårsake amblyopi. Påvirkning av gifter kan resultere i skade av synsnerven (NERVUS OPTICUS) (toksisk amblyopi) som har sammenheng med ALKOHOLISME, tobakksrøyking (RØYKING) og andre giftstoffer og som en uheldig bivirkning av visse medikamenter.
MEDLINEPLUS A24183323 AT220102823

Amblyopia, or "lazy eye," is the most common cause of visual impairment in children. It happens when an eye fails to work properly with the brain. The eye may look normal, but the brain favors the other eye. In some cases, it can affect both eyes. Causes include

  • Strabismus - a disorder in which the two eyes don't line up in the same direction
  • Refractive error in an eye - when one eye cannot focus as well as the other, because of a problem with its shape. This includes nearsightedness, farsightedness, and astigmatism.
  • Cataract - a clouding in the lens of the eye

It can be hard to diagnose amblyopia. It is often found during a routine vision exam.

Treatment for amblyopia forces the child to use the eye with weaker vision. There are two common ways to do this. One is to have the child wear a patch over the good eye for several hours each day, over a number of weeks to months. The other is with eye drops that temporarily blur vision. Each day, the child gets a drop of a drug called atropine in the stronger eye. It is also sometimes necessary to treat the underlying cause. This could include glasses or surgery.

NIH: National Eye Institute

NCI Thesaurus A24384565 AT205730409 Decreased vision that results from abnormal visual development.
NCI National Institute of Child Health and Human Development A24384565 AT210377430 Decreased vision that results from abnormal visual development.
HPO A24665948 AT206288266 Reduced visual acuity that is uncorrectable by lenses in the absence of detectable anatomic defects in the eye or visual pathways. [HPO:probinson]
(PSY) Psychological Index Terms A7559296 AT46116229 An optically uncorrectable loss of visual acuity without apparent organic change or defect.