"COLOR," in the past ten years, has occupied with increasing intensity the minds of physicists and physiologists, as well as the military forces of the land, sea and air and industrial managements, in the effort to clear up its mysteries and to apply the knowledge obtained to useful ends. I wish to give an account of my own interest in the subject.
From my earliest years I have been interested in the "color vision" of both man and animals; even before I began to go to school. I observed that some persons who visited my home were unable to distinguish the colors of the objects about the house with the acuteness manifested by my brothers and sisters.
One striking instance repeatedly confused me. Two brothers, connections of my mother, captains of sailing ships, on their visits to us after voyages, annoyed me by their insistence on declaring that the colored
CHANCE B. TESTS OF DEFECTIVE COLOR VISIONReflections Based on Experience in Testing Persons With Defective Color Sense. Arch Ophthalmol. 1948;39(2):162-172. doi:10.1001/archopht.1948.00900020167002