Contrast thresholds of the human eye.

Author(s)
Blackwell, H.R.
Year
Abstract

Experimental data are presented representing approximately 450,000 responses made by trained observers under laboratory conditions. Contrast thresholds are presented for stimuli brighter and darker than their background, and for two values of stimulus exposure. In each case, wide variations were studied in the parameters: stimulus contrast, stimulus area and adaption brightness.

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Publication

Library number
A 3803 fo
Source

Journal of the Optical Society of America, Vol. 36 (1946), No. 11 (November), p. 624-643.

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