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Precisão e reprodutibilidade da videoceratografia

Authors: Bechara, Samir Jacob; Zanoto, Arnaldo; José, Newton Kara;

Precisão e reprodutibilidade da videoceratografia

Abstract

RESUMO Avaliou-se a precisão e a reprodutibilidade do sistema EyeSys de videoceratografia numa superfície esférica plástica (42,50 D) e em 58 córneas de 58 pacientes divididos em quatro grupos: 30 córneas normais, 10 córneas pós-ceratotomia radial, 8 córneas pós-excimer laser e 10 córneas com ceratocone. O método de análise incluiu, para os cálculos da precisão e reprodutibilidade, todos os pontos de medida das superficies de estudo. O sistema EyeSys apresentou, na superfície esférica, uma precisão de 95% das medidas com desvio ≤ 0,25 D e níveis de reprodutibilidade maiores na região central (média de 0,0295 D) que na região periférica (média de 0,0962 D). As córneas normais, pós-ceratotomia radial e pós-excimer laser apresentaram níveis semelhantes de reprodutibilidade, nas regiões central (médias de 0,1524 D, 0,1406 D e 0,0962 D, respectivamente) e periférica (médias de 0,4484 D, 0,4673 D e 0,3138 D, respectivamente). A reprodutibilidade no ceratocone foi menor que nos demais grupos (p < 0,05), tanto na região central (média de 0,3808 D) como na periférica (média de 0,8458 D). Nos quatro grupos, a reprodutibilidade foi maior na região central da córnea (p < 0,05). O sistema EyeSys parece proporcionar informações clinicamente úteis a respeito da topografia corneana, particularmente na região central.

Keywords

Córnea, Ceratotomia radial, Excimer laser, Videoceratografia, Ceratocone

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citations
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!
0
Average
Average
Average
Green