Color vision examination plates.9787117091756 Color vision Color vision The ability to discriminate light on the basis of wavelength composition. It is found in humans, in other primates, and in certain species of birds, fishes, reptiles, and insects. examination plates. Yu, Kiping et al. People's Medical Publishing House 2008 $29.95 Hardcover RE921 Originally published in China in 1958, this text contains color plates for use in testing for congenital color deficiency and abnormality abnormality /ab·nor·mal·i·ty/ (ab?nor-mal´i-te) 1. the state of being abnormal. 2. a malformation. ab·nor·mal·i·ty n. , and to categorize cat·e·go·rize tr.v. cat·e·go·rized, cat·e·go·riz·ing, cat·e·go·riz·es To put into a category or categories; classify. cat the extent of color not of the white race; - commonly meaning, esp. in the United States, of negro blood, pure or mixed. See also: Color blindness into four classes so as to adapt to the different needs of various professions in China. Designed for use in the clinical setting, the 67 plates have long been recognized by Chinese ophthalmologic professionals as the standard used widely in medical examinations for conscription conscription, compulsory enrollment of personnel for service in the armed forces. Obligatory service in the armed forces has existed since ancient times in many cultures, including the samurai in Japan, warriors in the Aztec Empire, citizen militiamen in ancient , employment, and for students. Included are images for testing the general population as well as a selection of images for use with children and illiterates. The introductory text preceding the plates provides background information on color vision, types of color blindness, the impact of color blindness on particular professions, and instructions for using the color vision examination plates. The authors' credentials are not stated. No subject index. ([c]20082005 Book News, Inc., Portland, OR) |
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