Relative Yellow–Blue Sensitivity as a Function of Retinal Position and Luminance Level

Seymour Weissman; Jo Ann S. Kinney

doi:10.1364/JOSA.55.000074

Journal of the Optical Society of America
Vol. 55,
Issue 1,
pp. 74-77
(1965)
•https://doi.org/10.1364/JOSA.55.000074

Relative Yellow–Blue Sensitivity as a Function of Retinal Position and Luminance Level

Seymour Weissman and Jo Ann S. Kinney

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Seymour Weissman and Jo Ann S. Kinney, "Relative Yellow–Blue Sensitivity as a Function of Retinal Position and Luminance Level," J. Opt. Soc. Am. 55, 74-77 (1965)

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Abstract

Relative sensitivity for yellow and blue was determined by hue cancellation, using the method of constant stimuli. Measurements were made with a 1° stimulus at the fovea, 2° above the fovea, and every 4° along the upper vertical meridian out to 18° at three luminance levels (0.5, 0.1, and 0.01 ft-L). Relative yellow–blue sensitivity remained much the same from fovea to periphery for the two highest light levels. At the lowest luminance level there was a slight increase in relative blue sensitivity in the near periphery and a progressive decrease in relative yellow sensitivity as the peripheral angle increased. The variability of color discrimination increased greatly as luminance decreased and the peripheral angle increased.

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Filter	Dominant wavelength (mμ)	Percent purity	Half-width (mμ)
Yellow	574.5	99.5	16
Blue	478	84.5	21

O	Degrees from fovea	Luminance level of surround
		0.5 ft-L		0.1 ft-L		0.01 ft-L
		Limen	σ	Limen	σ	Limen	σ
MC	0	5.2	0.45	5.6	0.45	8.4	5.95
	2	4.6	0.25	4.4	0.55	7.5	1.35
	6	5.0	0.25	5.7	0.55	11.0	2.90
	10	5.0	0.60	6.4	0.54	13.2	7.10
	14	7.8	1.50	6.0	1.11	110.0	77.00
	18	5.0	2.00	7.5	2.07	^a	^a

JK	0	6.0	0.62	5.0	0.65	5.7	2.10
	2	5.4	0.35	5.8	0.65	8.0	1.05
	6	4.7	0.20	6.1	0.56	9.4	3.05
	10	5.8	0.60	6.3	1.08	12.6	3.35
	14	4.5	1.47	6.1	1.80	30.1	18.00
	18	4.8	2.97	19.3	7.80	^a	^a

HM	0	4.5	0.25	5.2	0.55	3.6	0.55
	2	4.5	0.25	4.8	0.55	4.9	0.80
	6	4.5	0.50	5.9	0.62	7.9	1.40
	10	4.2	0.50	5.8	0.76	11.8	3.80
	14	3.6	0.55	5.4	1.28	7.3	3.60
	18	4.8	0.98	6.3	1.27	4.1	2.95

SW	0	5.5	0.25	6.0	0.60	5.5	1.30
	2	6.0	0.15	6.3	0.55	6.2	0.35
	6	5.6	0.45	6.2	0.75	6.3	1.20
	10	5.9	0.55	8.1	2.20	8.3	3.00
	14	5.7	1.20	6.5	1.72	11.1	4.45
	18	8.9	2.60	5.8	1.06	10.3	4.40

O	Degrees from fovea	Luminance level of surround
		0.5 ft-L		0.1 ft-L		0.01 ft-L
		Limen	σ	Limen	σ	Limen	σ
MC	0	5.0	0.45	5.0	0.55	3.3	0.80
	2	4.6	0.20	4.0	0.37	5.2	0.75
	6	4.7	0.05	4.9	0.54	8.7	1.15
	10	4.9	0.55	5.1	0.63	7.2	1.40
	14	4.2	2.00	4.1	0.88	58.0	28.00
	18	3.9	2.00	5.1	1.82	46.0	42.50

JK	0	4.7	0.30	4.3	0.35	3.5	0.70
	2	4.8	0.30	4.9	0.48	6.4	1.00
	6	4.5	0.28	4.2	0.38	5.1	1.45
	10	3.8	0.48	3.7	0.63	3.9	0.85
	14	3.4	0.60	3.4	1.21	^a	^a
	18	3.8	2.00	4.2	2.30	^a	^a

HM	0	4.5	0.28	5.4	1.03	3.6	0.80
	2	4.0	0.30	4.2	0.43	4.9	0.80
	6	4.2	0.48	6.5	0.79	5.8	1.10
	10	4.0	0.60	5.7	1.16	7.1	1.50
	14	3.6	0.54	5.0	1.90	9.2	4.75
	18	4.6	0.64	4.3	0.76	4.2	3.05

SW	0	4.9	0.20	5.2	0.75	5.1	1.10
	2	5.4	0.20	5.9	0.65	6.1	1.15
	6	4.9	0.35	4.9	0.70	5.5	0.80
	10	4.9	0.40	6.1	1.25	5.1	3.00
	14	3.6	0.70	3.5	1.65	5.0	4.65
	18	4.6	1.40	3.8	0.75	2.6	3.20

Filter	Dominant wavelength (mμ)	Percent purity	Half-width (mμ)
Yellow	574.5	99.5	16
Blue	478	84.5	21

O	Degrees from fovea	Luminance level of surround
		0.5 ft-L		0.1 ft-L		0.01 ft-L
		Limen	σ	Limen	σ	Limen	σ
MC	0	5.2	0.45	5.6	0.45	8.4	5.95
	2	4.6	0.25	4.4	0.55	7.5	1.35
	6	5.0	0.25	5.7	0.55	11.0	2.90
	10	5.0	0.60	6.4	0.54	13.2	7.10
	14	7.8	1.50	6.0	1.11	110.0	77.00
	18	5.0	2.00	7.5	2.07	^a	^a

JK	0	6.0	0.62	5.0	0.65	5.7	2.10
	2	5.4	0.35	5.8	0.65	8.0	1.05
	6	4.7	0.20	6.1	0.56	9.4	3.05
	10	5.8	0.60	6.3	1.08	12.6	3.35
	14	4.5	1.47	6.1	1.80	30.1	18.00
	18	4.8	2.97	19.3	7.80	^a	^a

HM	0	4.5	0.25	5.2	0.55	3.6	0.55
	2	4.5	0.25	4.8	0.55	4.9	0.80
	6	4.5	0.50	5.9	0.62	7.9	1.40
	10	4.2	0.50	5.8	0.76	11.8	3.80
	14	3.6	0.55	5.4	1.28	7.3	3.60
	18	4.8	0.98	6.3	1.27	4.1	2.95

SW	0	5.5	0.25	6.0	0.60	5.5	1.30
	2	6.0	0.15	6.3	0.55	6.2	0.35
	6	5.6	0.45	6.2	0.75	6.3	1.20
	10	5.9	0.55	8.1	2.20	8.3	3.00
	14	5.7	1.20	6.5	1.72	11.1	4.45
	18	8.9	2.60	5.8	1.06	10.3	4.40

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Journal of the Optical Society of America