Bleaching
constants for human rods and cones
Receptor I0 * Region Reference
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Rods 4.4 log scotopic periphery Rushton (1972)
trolands
L- & M-cone 4.3 log photopic fovea Rushton & Henry
mixture trolands (1968)
L-cone 3.89 log photopic fovea Rushton (1965)
trolands
M-cone 3.89 log photopic fovea Rushton (1963)
trolands-----------------------------------------------------------------------
* The intensity for which the fractions of unbleached and bleachedpigment are 0.5.
Notes
Formulae
References
Baker, H.D. & Rushton, W.A.H. (1965). The red-sensitive pigment in normal cones. Journal of Physiology, London, 176, 56-72.
Campbell, F.W. & Rushton, W.A.H. (1955). Measurement of the scotopic pigment in the living human eye. Journal of Physiology, London, 130, 131-147.
Ripps, H. & Weale, R.A. (1969). Flash bleaching of rhodopsin in the human retina. Journal of Physiology, London, 200, 151-159.
Rushton, W.A.H. (1972). Visual pigments in man. In Dartnall, H.J.A. (ed.), Handbook of sensory physiology VII/I. New York: Springer-Verlag.
Rushton, W.A.H. (1963). Cone pigment kinetics in the protanope. Journal of Physiology, London, 168, 374-388.
Rushton, W.A.H. (1965). Cone pigment kinetics in the deuteranope. Journal of Physiology, London, 176, 38-45.
Rushton, W.A.H. & Henry, G.H. (1968). Bleaching and regeneration of cone pigments in man. Vision Research 8, 617-631.
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