2003
DOI: 10.1590/s0004-27492003000700013
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Perimetria computadorizada na detecção de defeitos campimétricos discretos (ao perímetro de Goldmann) causados por tumores hipofisários

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Cited by 5 publications
(6 citation statements)
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References 15 publications
(17 reference statements)
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“…The hemianopsia can be congruous or incongruous; in incongruous defects, one eye tends to be affected much more severely than the other, as occurred in our case (7) . Despite advances in imaging methods, which provide for detailed identification of tumours, perimetry is still essential in the diagnosis and management of neuro-ophthalmic lesions (9) . It is also important to correlate visual field data with fundus examination for appropriate clinical reasoning.…”
Section: Discussionmentioning
confidence: 99%
“…The hemianopsia can be congruous or incongruous; in incongruous defects, one eye tends to be affected much more severely than the other, as occurred in our case (7) . Despite advances in imaging methods, which provide for detailed identification of tumours, perimetry is still essential in the diagnosis and management of neuro-ophthalmic lesions (9) . It is also important to correlate visual field data with fundus examination for appropriate clinical reasoning.…”
Section: Discussionmentioning
confidence: 99%
“…Many authors believe that SAP can detect abnormalities earlier than manual GP, due to its greater sensitivity and ability to make comparisons for each point (15) . However, despite the many advantages in SAP technology, there are many drawbacks of this type of examination when applied to neuro-ophthalmologic patients, particularly those with severe visual loss and those with attention deficits (5,16) .…”
Section: Discussionmentioning
confidence: 99%
“…The current standard in automated perimetry is full-threshold testing encompassing either 24 or 30 central degrees of the VF. Although strategies such as the Swedish Interactive Threshold Algorithm program (4) have significantly improved the reliability of automated perimetry, it still may be too difficult for patients with neurological disease, resulting in undesirable false positive data capable of confounding the interpretation of abnormal findings (5) . There is therefore a need for tests which can rapidly and accurately identify cases deserving further testing and investigation.…”
mentioning
confidence: 99%
“…Inúmeras são as condições neuroftalmológicas nas quais a perimetria computadorizada falha na avaliação dos campos visuais. Em um estudo recente, demonstramos que a simples análise do gráfico em tons de cinza deixa de identificar defeitos quiasmáticos discretos em um número considerável de pacientes (5) . Da mesma forma a observação dos pontos significativos nos gráficos de probabilidades "pattern deviation" e "pattern deviation" parece não ser suficiente para identificar defeitos quiasmáticos iniciais (5) .…”
Section: Discussionunclassified
“…Em um estudo recente, demonstramos que a simples análise do gráfico em tons de cinza deixa de identificar defeitos quiasmáticos discretos em um número considerável de pacientes (5) . Da mesma forma a observação dos pontos significativos nos gráficos de probabilidades "pattern deviation" e "pattern deviation" parece não ser suficiente para identificar defeitos quiasmáticos iniciais (5) . Outras importantes fontes de imprecisão na perimetria computadorizada ocorre nos pacientes com diminuição acentuada da acuidade visual, nos quais a confiabilidade do exame fica muito prejudicada; essa imprecisão também ocorre nos pacientes com lentidão nas respostas, ocasionada por dificuldades motoras ou cognitivas; neles, o exame de perimetria computadorizada fica freqüentemente muito prejudicada.…”
Section: Discussionunclassified