these Amax variations that were both based on the Stiles-Burch 100 color-matching functions [Opt. Acta 6, 1 (1959)]: one that suggested that the Amax values for individual cone classes fall into discrete subgroups [J. Neitz and G. H. Jacobs, in Colour Vision Deficiencies IX, B. Drum and G. Verriest, eds. (Kluwer Academic, Dordrecht, The Netherlands, 1989)] and one that failed to find discrete c...
