Artigo de periodico

Multifocal and full-field electroretinogram changes associated with color-vision loss in mercury vapor exposure (2004)

• Authors:
  • Ventura, Dora Selma Fix (Orientador)
  • Costa, Marcelo T V
  • Costa, Marcelo Fernandes da
  • Berezovsky, Adriana
  • Salomão, Solange R
  • Simões, Ana Luíza
  • Lago, Marcos
  • Pereira, Luiz H M Canto
  • Faria, Marcília A M
  • Souza, John Manuel de
• USP affiliated authors: VENTURA, DORA SELMA FIX - IP ; SOUZA, JOHN MANUEL DE - IP
• Unidade: IP
• DOI: 10.1017/s0952523804213372
• Subjects: NEUROFTALMOLOGIA; PSICOLOGIA EXPERIMENTAL
• Language: Inglês
• Abstract: We evaluated the color vision of mercury-contaminated patients and investigated possible retinal origins of Tosses using electroretinography. Participants were retired workers from a fluorescent lamp industry diagnosed with mercury contamination (n = 43) and age-matched controls (n = 21). Color discrimination was assessed with the Cambridge Colour Test (CCT). Retinal function was evaluated by using the ISCEV protocol for full-field electroretinography (full-field ERG), as well as by means of multifocal electroretinography (mfERG). Color-vision tosses assessed by the CCT consisted of higher color-discrimination thresholds along the protan, deutan, and tritan axes and significantly larger discrimination ellipses in mercury-exposed patients compared to controls. Full-field ERG amplitudes from patients were smaller than those of the controls for the scotopic response b-wave, maximum response, sum of oscillatory potentials (OPs), 30-Hz flicker response, and light-adapted cone response. OP amplitudes measured in patients were smaller than those of controls for 02 and 03. Multifocal ERGs recorded from ten randomly selected patients showed smaller NI-PI amplitudes and longer latencies throughout the 25-deg central field. Full-field ERGs showed that scotopic, photopic, peripherdl, and midperipheral retinal functions were affected, and the mfERGs indicated that central retinal function was also significantly depressed. To our knowledge, this is the first demonstration of retinalinvolvement in visual tosses caused by mercury toxicity
• Imprenta:
  • Publisher place: Cambridge
  • Date published: 2004
• Source:
  • Título: Visual Neuroscience
  • Volume/Número/Paginação/Ano: v. 21, p. 421-429, 2004

Informações sobre o DOI: 10.1017/s0952523804213372 (Fonte: oaDOI API)
• Este periódico é de assinatura
• Este artigo NÃO é de acesso aberto
  
• Cor do Acesso Aberto: closed

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How to cite

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• ABNT

  COSTA, Marcelo T V et al. Multifocal and full-field electroretinogram changes associated with color-vision loss in mercury vapor exposure. Visual Neuroscience, v. 21, p. 421-429, 2004Tradução . . Disponível em: https://doi.org/10.1017/s0952523804213372. Acesso em: 30 dez. 2025.

• APA

  Costa, M. T. V., Costa, M. F. da, Berezovsky, A., Salomão, S. R., Simões, A. L., Lago, M., et al. (2004). Multifocal and full-field electroretinogram changes associated with color-vision loss in mercury vapor exposure. Visual Neuroscience, 21, 421-429. doi:10.1017/s0952523804213372

• NLM

  Costa MTV, Costa MF da, Berezovsky A, Salomão SR, Simões AL, Lago M, Pereira LHMC, Faria MAM, Souza JM de. Multifocal and full-field electroretinogram changes associated with color-vision loss in mercury vapor exposure [Internet]. Visual Neuroscience. 2004 ; 21 421-429.[citado 2025 dez. 30 ] Available from: https://doi.org/10.1017/s0952523804213372

• Vancouver

  Costa MTV, Costa MF da, Berezovsky A, Salomão SR, Simões AL, Lago M, Pereira LHMC, Faria MAM, Souza JM de. Multifocal and full-field electroretinogram changes associated with color-vision loss in mercury vapor exposure [Internet]. Visual Neuroscience. 2004 ; 21 421-429.[citado 2025 dez. 30 ] Available from: https://doi.org/10.1017/s0952523804213372

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