. Author manuscript; available in PMC: 2009 Jun 18.

Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2000 Mar;17(3):641–650. doi: 10.1364/josaa.17.000641

Table 2.

Linear Regressions of Log Cell Density and Log Ricco’s Area for the S-Cone Mechanism^a

Observer	Cell Type	Eccentricity (°)	Slope	Intercept	r²
BES	S cone	0–20	−1.62	7.93	0.20
		4–20	−6.81	22.80	0.96
	Bistratified	0–20	−0.65	4.77	0.36
		4–20	−2.05	7.65	0.85
ES	S Cone	0–20	−2.85	11.19	0.61
		4–20	−5.38	18.50	0.85
	Bistratified	0–20	−1.01	5.33	0.83
		4–20	−1.84	7.02	0.96
W	S Cone	0–20	−3.24	12.88	0.81
		4–20	−2.81	11.69	0.45
	Bistratified	0–20	−0.97	5.77	0.81
		4–20	−1.31	6.42	0.94

S-cone density values are based on data reported by Curcio et al.²³