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Related Experiment Videos

Color vision testing for the U.S. Naval Academy.

R J Hackman1, G L Holtzman, P E Walter

  • 1Department of Optometry, Naval Medical Clinic, Annapolis, MD 21402.

Military Medicine
|December 1, 1992
PubMed
Summary

Many candidates failed the Navy

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Area of Science:

  • Ophthalmology
  • Naval Medicine

Background:

  • Normal color vision is essential for U.S. Naval Academy admission.
  • The Farnsworth Lantern (FALANT) is the standard Navy color vision test.
  • Alternative tests are used where FALANT is unavailable, but their efficacy is questioned.

Purpose of the Study:

  • To evaluate the predictive ability of various color vision tests for FALANT success.
  • To address discrepancies in color vision screening for naval candidates.

Main Methods:

  • Four hundred subjects were tested using multiple color vision assessment tools.
  • Performance on alternative tests was compared against FALANT results.

Main Results:

  • A significant number of candidates who passed alternative screenings failed the FALANT.
  • Concerns arose regarding the reliability of pseudoisochromatic plates and the D-15 test in predicting FALANT performance.

Conclusions:

  • Current alternative color vision tests may not accurately predict FALANT success.
  • Recommendations are provided to improve color vision screening for naval candidates.

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