Check the listing for details. Ishihara Test Chart Book Color Deficiency TestEasy Reference VisionTesting(2012). Color: Blue, Condition: Used, Made in Japan. Listed at 10.45 USD. The Ishihara Test Chart Book is a color deficiency reference chart produced by Graham-Field. This chart is designed for vision testing and easy reference. Made in Japan, this compact book measures 8.74x6.1x0.67 inches and weighs 0.6 pounds. With one pack containing one chart, it is a valuable tool for professionals in healthcare, labs, and dental settings to assess color vision deficiencies accurately.