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Reliability study of the Pierce and King-Devick saccade tests.

M K Oride, J K Marutani, M W Rouse

    American Journal of Optometry and Physiological Optics
    |June 1, 1986
    PubMed
    Summary

    The Pierce and King-Devick saccade tests show poor reliability for assessing saccadic eye movements in children. Tester behavior may influence results, questioning their clinical usefulness for eye movement evaluation and therapy monitoring.

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    Area of Science:

    • Ophthalmology
    • Neuroscience
    • Pediatric Medicine

    Background:

    • Saccadic eye movements are crucial for visual function.
    • The Pierce and King-Devick saccade tests are commonly used clinical tools.
    • Established normative data exist, but test reliability requires further investigation.

    Purpose of the Study:

    • To evaluate the test-retest reliability of the Pierce and King-Devick saccade tests.
    • To assess the influence of tester behavior on saccade test outcomes.
    • To determine the clinical utility of these tests for eye movement assessment.

    Main Methods:

    • Two groups of elementary schoolchildren (n=30 and n=33) without visual abnormalities were tested.
    • Children underwent either retesting after 2 weeks or initial testing by different/same testers.

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  • Test-retest scores and inter-group scores were compared to assess reliability and tester influence.

    • Main Results:

    • Poor test-retest reliability was found for both Pierce and King-Devick saccade tests.
    • Tester behavior significantly influenced Pierce saccade test retest results.
    • Results for the King-Devick saccade test's susceptibility to tester influence were inconclusive.

    Conclusions:

    • The reliability of the Pierce and King-Devick saccade tests is questionable for clinical use.
    • These tests may have limited value in evaluating eye movements and monitoring oculomotor therapy progress.
    • Further research is needed to refine these tests or explore alternative reliable methods.