Blind Spot (17°)
Fovea (maximum cone density)
Maximum rod density 20°
160 000 per mm2
Rod density is minimum at the
fovea centralis, maximum at 20°
100 rods per nerve fiber
Cones are localized at the fovea centralis
One cone per nerve fiber
150 000 per mm2
350 400 450 500 550 600 650 700 750
Cones
8
7
6
5
4
3
2
1
0
Rods
Peak of solar
spectrum
Relative Sensitivity
(Log10)
Wavelength (nm)
| Previous slide | Next slide | Back to first slide | View graphic version |