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Related Experiment Videos

The Roth 28-hue test.

J F Amos, T P Piantanida

    American Journal of Optometry and Physiological Optics
    |March 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    The Roth 28-hue test, a less common color vision test, shows distinct color confusion axes for protans, deutans, and tritans. Further clinical trials are needed to confirm its potential as a compromise between other color vision tests.

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    Area of Science:

    • Ophthalmology
    • Color Vision Science
    • Visual Perception

    Background:

    • Color vision testing is crucial for diagnosing and understanding deficiencies.
    • The Farnsworth-Munsell 100-hue test and Farnsworth D-15 test are established tools.
    • The Roth 28-hue test, developed in 1966, is less frequently utilized.

    Purpose of the Study:

    • To analyze the Roth 28-hue test's performance in differentiating color vision defects.
    • To compare the color confusion axes of the Roth 28-hue test with the Farnsworth D-15 test.
    • To evaluate the Roth 28-hue test's potential as an intermediate tool between the D-15 and 100-hue tests.

    Main Methods:

    • Utilized every third color cap from the Farnsworth-Munsell 100-hue test to create the Roth 28-hue test.

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  • Examined the color confusion axes for protan, deutan, and tritan defects on the Roth 28-hue test.
  • Illustrated these axes on a CIE chromaticity diagram for visual comparison.

    • Main Results:

    • Protans, deutans, and tritans demonstrated slightly different color confusion axes on the Roth 28-hue test.
    • These axes showed variations compared to those observed on the Farnsworth D-15 test.
    • The Roth 28-hue test's configuration allows for distinct axis visualization.

    Conclusions:

    • The Roth 28-hue test exhibits unique color confusion patterns for different types of color vision deficiency.
    • It may offer a valuable middle ground in terms of complexity and diagnostic capability compared to the D-15 and 100-hue tests.
    • Clinical validation through further trials is essential to establish its efficacy and utility in practice.