Persistence of vision in color-blind subjects (1902)
Allen, Frank, 1874- · [Lancaster, Pa.] · leaf 31
[Vol. XV. 2l6 r-RANK ALLEN. Table XXIII. F. B. S. LUMINOSITY CURVE. These values, plotted in Fig. 3, give the usual form of luminosity- curve. One very remarkable feature is that the maximum occurs … Fig. 3. at /I = .605 n, or is practically normal; usually it is found at the line E{X = -^^7 lA' and Abney' in particular has studied several cases ' Sir W. de W. Abney, " A Case of Monochromatic Vision," Proc. Roy. Soc, Vol. 66, 1900, p. 179. Also Color Vision (Tyndall Lectures), Chap. 12, p. 148.
Color blindness
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