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Journal Article

Citation

Rabin J, Gooch J, Ivan D, Harvey R, Aaron M. Mil. Med. 2011; 176(3): 324-326.

Affiliation

Aerospace Ophthalmology Branch, USAF School of Aerospace Medicine, 2513 Kennedy Circle, Brooks City-Base, TX 78235-5116, USA.

Copyright

(Copyright © 2011, Association of Military Surgeons of the United States)

DOI

unavailable

PMID

21456361

Abstract

OBJECTIVE: To describe the design, the sensitivity, and the application of new methods to quantify visual performance. METHODS: The super vision test-night vision goggle (SVT-NVG) is a new clinical letter chart that measures high- and low-contrast vision under daytime and simulated night conditions. The cone contrast test (CCT) is a computer-based color test that readily diagnoses type and severity of color deficiency. RESULTS: The SVT-NVG reveals subtle decrements from normal not detected by standard visual acuity. The CCT shows 100% sensitivity for the detection of hereditary red or green color deficiency and reveals acquired deficiency as an early sign of disease. CONCLUSIONS: The SVT-NVG and CCT provide rapid, sensitive indices of color and spatial vision potentially linkable to real-world operational demands.


Language: en

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