Effect of a yellow ocular filter on chromatic aberration: the fish eye as an example.
Reduction of chromatic aberration is one of the suggested functions of yellow ocular filters. This possibility was tested by (1) determining the effect of an artificial yellow filter on the chromatic aberration of the eye of two fish species having no obvious ocular filters and (2) comparing in vivo chromatic aberration with that of the excised lens in a species of fish having a yellow cornea. The results indicate that yellow filters reduce the measured chromatic aberration of the eye by more than one-third.
D000818:Animals; D003116:Color; D003315:Cornea / Q000502:physiology*; D005399:Fishes; D007908:Lens, Crystalline / Q000502:physiology; D008027:Light; D055095:Optics and Photonics; D012160:Retina