COLOR VISION DEFICIENCIES - DEFINITION AND EVALUATION

Duration: 20 min

Year Published: 1957

Creator: Department of the Navy (Department of Defense)

Color: Color

Sound: Optical sound

Description: Explains the importance of color discrimination. Shows how individual color vision deficiencies perceive the spectrum. Defines three types of color vision deficiencies and shows color confusions involved in each type. Demonstrates mild, moderate, and severe degrees of defects for one type of color vision deficiency and shows applications involved. Shows procedure for administering approved tests for color vision deficiencies, such as the pseudoisochromatic plate test and the Farnsworth lantern test.