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Exposure to neurotoxic solvents may influence blue-yellow color vision in aircraft maintenance workers

Posted Jan 02 2011 12:00am

Australian researchers studied the possible persisting effects to color vision of exposure to formulations containing neurotoxins during F-111 fuel tank maintenance. They studied 3 groups: 512 exposed personnel, 458 technical-trade comparisons, and 330 non-technical comparisons. Forty five percent of all participants had blue-yellow color deficient vision (CDV) in at least one eye. Deficiencies of this nature are caused by environmental exposures. There were statistically significant differences in CCI a blue-yellow confusion in the exposed group versus technical group (odds ratio 1.4: 95% CI 1.1–1.7). No differences were observed between the exposed group and the non-technical group. The researchers concluded that the results indicate reduced color discrimination among the exposed subjects compared to one of two control groups. The findings may be due to previous exposure to solvents among the air force personnel

Maya Guest et al. 2010, Impairment of color vision in aircraft maintenance workers
International Archives of Occupational and Environmental Health (13 November 2010), pp. 1-11

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