Color Vision Ishihara Test Book Japanese

• Accepted by leading authorities as a simple and accurate method for discovering congenital color blindness and red-green blindness, each in two forms, complete and incomplete.
• Includes four special plates for tests to determine the kind and degree of defect in color vision.
• Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green.
• Color plates encased in specially designed album-type books for ease of handling.
• Detailed instructions included.

Product DescriptionThe color plates are available in an album-type book for ease of handling. The books are printed in colour photo paper and are protected by international copyright.