Ferree, Clarence Errol, Rand, Gertrude, b.1886 · New York, etc. · leaf 81
ordance stimulus, 5 deg., in order to show the with the first of the above mentioned widest fields that could be obtained methods. The difference for the meth- for our observer by increasing the area ods would be negligible for our results for the intensity of stimulus employed. in case of the… … Preexposure and Fields for red, green and blue for stimuli subtending a visual angle of 1 degree, "ig. 12. surrounding field of gray of brightness of color at limits of sensitivity. and 5 deg., the limits are wider by 1 In specifying the limits of sensitiv- and 2.5 deg. respectively as we have ity…
Ophthalmology · Vision · Color vision
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