Is colour vision impairment associated with cognitive impairment in solvent exposed workers?

Finlay David Dick, Sean Semple, Aileen Osborne, John Cherrie, Anthony Seaton

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Aims: To determine whether acquired colour vision deficits in solvent exposed individuals are associated with cognitive impairment.
Methods: A sample of 82 painters and 38 other subjects were studied. Alcohol, drug, and smoking histories were obtained. Colour vision was tested using the Lanthony D-15-d colour vision test. Cognitive impairment was measured using the Benton visual retention test, Trail making A, and Trail making B tests. Pre-morbid IQ was estimated using the National Adult Reading Test. Solvent exposure in all subjects was estimated using a previously validated, structured subjective assessment methodology.
Results: After exclusion of subjects with competing causes of colour vision impairment the final group of men numbered 78. There was a significant association on multiple linear regression between the mean colour confusion index ( CCI) and three measures of cognitive impairment, the Benton visual retention test, Trail making A, and Trail making B tests after adjusting for the effects of age (or IQ as appropriate), alcohol, and smoking.
Conclusion: Acquired colour vision loss is associated with cognitive impairment in solvent exposed workers. However, given the prevalence of acquired colour vision losses in the adult population, colour vision testing is unlikely to be of value as a screening test.

Original languageEnglish
Pages (from-to)76-78
Number of pages3
JournalOccupational and Environmental Medicine
Volume61
Issue number1
Publication statusPublished - 1 Jan 2004

Keywords

  • neuropsychological impairment
  • panel D-15

Cite this

Is colour vision impairment associated with cognitive impairment in solvent exposed workers? / Dick, Finlay David; Semple, Sean; Osborne, Aileen; Cherrie, John; Seaton, Anthony.

In: Occupational and Environmental Medicine, Vol. 61, No. 1, 01.01.2004, p. 76-78.

Research output: Contribution to journalArticle

Dick, Finlay David ; Semple, Sean ; Osborne, Aileen ; Cherrie, John ; Seaton, Anthony. / Is colour vision impairment associated with cognitive impairment in solvent exposed workers?. In: Occupational and Environmental Medicine. 2004 ; Vol. 61, No. 1. pp. 76-78.
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