Color vision test chart - (Second Edition)

Author: None
Publisher:
Publish Date: 2005-08-01
Features: This book is drawn according to the theory of color vision and the theory of chromaticity complementary colors, based on the principle of pseudohomochromatous illusion. It has been tested by an automatic color difference meter, ensuring accurate color usage and complete compliance with requirements. The book contains a total of 66 test charts, including 38 numerical charts, 13 Latin letter charts, and 15 animal charts. The charts can comprehensively examine red-green-yellow-blue (purple) color vision and classify red-green-blue (purple) color weakness into three degrees: severe, moderate, and mild. The color vision examination can reach both qualitative and semi-quantitative standards. The book features numerous charts, with one chart per concept, facilitating mastery of recognition and reading speed while minimizing the risk of misdiagnosis or oversight. It is a comprehensive, user-friendly, and reasonably categorized color vision examination tool. This book is widely applicable to hospitals, epidemic prevention, military, schools, and research institutions.