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II. A Comparison and Critique of Various Procedures Used for Night Vision Testing

WILLIAM JOHN HOLMES, M.D.

Arch Ophthal. 1946;36(3):302-314.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

IN A previous article¹ comparative data on the results of examination of night vision of 217 Caucasian and 217 Japanese students were reported. The purpose of the present paper is to furnish statistical data on the correlation that was found between the instruments used, to describe briefly some of the other instruments and technics employed in night vision testing and to proffer a plan, based on physiologic and optical principles, for universal adoption for the complete examination of the function of night vision.

COMPARISON OF FIVE INSTRUMENTS

The instruments used in the previous survey included the Hecht-Shlaer adaptometer, the S.A.M. Night Vision Tester, the Luckiesh-Moss Low Contrast Test Chart, the Harman Disc Spotting Device and the Ferree-Rand Projectochart. Of the results obtained with these instruments, the figures obtained on the Hecht-Shlaer adaptometer, for the examination of the light threshold, and the scores achieved on the S.A.M. Night Vision Tester . . . [Full Text PDF of this Article]

Author Affiliations
HONOLULU, TERRITORY OF HAWAII

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