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O fenómeno de Crowding e as suas implicações na ambliopia

Authors: Yanchik, Nataliya;

O fenómeno de Crowding e as suas implicações na ambliopia

Abstract

Fenómeno de Crowding refere-se ao facto da acuidade visual para Optótipos cercados por barras ou outros optótipos, ser pior do que a acuidade visual para os optótipos isolados. Sabe-se que o fenómeno de crowding é mais pronunciado em pessoas com baixa visão, por exemplo amblíopes, do que em pessoas com a visão normal. O objetivo do presente trabalho é perceber os mecanismos subjacentes ao fenómeno de crowding, tanto físicos como óticos ou neurológicos, bem como a sua influência na visão dos amblíopes. A principal conclusão é que esse fenómeno é muito específico para visão periférica e é fortemente dependente do arranjo do alvo. Também parece ter maior influência em sujeitos com ambliopia estrábica do que em sujeitos com ambliopia anisometrópica, devido à falta de binocularidade.

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Portugal
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Keywords

Crowding, Fenómeno de Crowding, Crowding - Mecanismos neurológicos, Ambliopia - Crowding, Crowding - Estímulo visual, Crowding - Acuidade visual

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
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