Among the most beautiful products of modern technology are the numerous colored transparent substances that have been made available for such purposes as the packaging of merchandise and the illumination of displays. Any desired color can be had in any desired degree of purity, filters for every imaginable purpose are elaborately catalogued, and the student of physiological optics can repeat with more striking effect than ever the classic experiments of Helmholtz, Young, and Hering with color boxes, afterimages, mixing wheels, and so on. In color photography and color television the use of filters and pigments reaches a climax of complexity and magnificence. These are exemplified in such color films as those on bronchoscopy by Holinger and in the surgical telecasts in color that have been a special attraction of A.M.A. conventions since 1949.
It is unfortunate though natural that not all the anticipated applications have been successful. The feeling of
COLORED GLASSES. JAMA. 1957;163(4):264. doi:10.1001/jama.1957.02970390040017
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