Ferree, Clarence Errol, Rand, Gertrude, b.1886 · New York, etc. · leaf 79
e limits of sensitivity face, size of pupil, curvature of cornea, when all of the other factors are sub- sensitivity of retina, etc.) v^ould not jected to careful control. In former affect the difference or the ratio of re- papers we have shown that the color sult obtained with two sizes or in-… … 10. Fields for red, green and blue for stimuli subtending a visual angle of 0.17 degrees. Preexposure and .surrounding field of gray of brightness of stimulus at limits of sensitivity. of increase of size of stimulus on ex- lus be used. One of the points in- tent of field that two sizes may be…
Ophthalmology · Vision · Color vision
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