638 



DISPLAY SYSTEM DESIGN PROBLEMS 



40.0 



20.0 



ai E 10.0 



5 o 



5.0 



2.5 



LO 



400 



500 600 



WAVELENGTH (millimicrons) 



700 



Fig. 12-18 Color Differentiation of the Fovea. 



Figure 12-18 shows the discrimination of wavelength that the fovea can 

 perform. This figure indicates that when two colors are placed side by side, 

 the eye has excellent chromatic resolution. For example, if yellow (600 m/x) 



100 

 1^ 80 

 uj g 60 



o tz 



q: tu 20 



Q- 







400 Blue 500 

 Green 



600 Orange 700 

 Yellow 



WAVELENGTH (millimicrons) 

 Fig. 12-19 Visi[)ilitv Curve for the Human Kye. 



