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Related Experiment Videos

Assessing color vision loss among solvent-exposed workers.

D Mergler1, L Blain

  • 1Québec Institute for Research in Occupational Health and Safety, Département des Sciences Biologiques, Université du Québec à Montréal, Canada.

American Journal of Industrial Medicine
|January 1, 1987
PubMed
Summary

The Lanthony D-15 desaturated panel (D-15-d) effectively identifies acquired color vision loss in solvent-exposed workers. This test is suitable for field studies, though the Farnsworth-Munsell 100 Hue (FM-100) offers more detailed assessment.

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Area of Science:

  • Occupational health
  • Ophthalmology
  • Toxicology

Background:

  • Acquired color vision loss is linked to workplace organic solvent exposure.
  • Existing chromatic discrimination tests may not effectively detect acquired, rather than congenital, deficits.
  • The Lanthony D-15 desaturated panel (D-15-d) is designed for rapid, field-based identification of mild acquired dyschromatopsia.

Purpose of the Study:

  • To evaluate the Lanthony D-15 desaturated panel (D-15-d) for detecting acquired color vision loss.
  • To compare the D-15-d's performance against the Farnsworth-Munsell 100 Hue (FM-100) test in solvent-exposed workers.
  • To assess the correlation between D-15-d results and exposure levels.

Main Methods:

  • The study involved 23 workers from a paint manufacturing plant with varying levels of solvent exposure.

Related Experiment Videos

  • Color vision was assessed using both the Lanthony D-15 desaturated panel (D-15-d) and the Farnsworth-Munsell 100 Hue (FM-100) test.
  • Statistical analyses, including correlation and multiple regression, were performed to compare test results and relate them to exposure levels and age.

    • Main Results:

    • The D-15-d showed a higher prevalence of dyschromatopsia in highly exposed workers (80%) compared to moderately exposed workers (30.8%).
    • All affected workers exhibited blue-yellow color vision loss.
    • D-15-d and FM-100 scores were highly correlated (r=0.87, p<0.001) and both were significantly related to age and exposure level.

    Conclusions:

    • The Lanthony D-15 desaturated panel (D-15-d) is an adequate tool for identifying acquired color vision deficits in occupational field studies.
    • The Farnsworth-Munsell 100 Hue (FM-100) test is recommended for more comprehensive and detailed color vision assessments.
    • Both age and solvent exposure level are significant factors influencing color vision deficits.