This test gives you an easy-to-administer but highly effective method for measuring any individual's color vision. Used by the industry for over 40 years, the test consists of four trays containing a total of 85 removable color reference caps (incremental hue variation) spanning the visible spectrum. Color vision abnormalities and aptitude are detected by the ability of the test subject to place the color caps in order of hue.

Includes WindowsR-based PC scoring software. The four trays are boxed in a handsome wooden carrying case. The test must be administered under daylight conditions such as that provided by GretagMacbeth SpectraLight, Judge.