effect of a uniform orange, so that the impressionistsecures in this way the same effect that we could get in thelaboratory by simultaneously illuminating a white surface withred and yellow light. As a result, paintings by impressionist-are usually far more brilliant than those of the old… … THE EYE. 27 anything else. It is shown diagrammatically in figure 14. Itconsists of a shell roughly spherical in shape, of which thefront wall, C. the cornea, is transparent. Behind this is theiris I, a screen or diaphragm con-taining a circular hole,—the pupil,P,—whose diameter contracts…
Light
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