Lightweight Graham Field Ishihara - Test Chart Books, For Color Deficiency Holiday Cheer Edition [sXoAEZ3H]

Experience Accurate Color Vision Testing with Graham Field Ishihara Test Chart Books

Graham Field Ishihara Test Chart Books are the gold standard in color vision testing, offering a reliable and comprehensive solution for identifying color deficiencies. These books contain the iconic Ishihara color test plates, designed by Dr. Shinobu Ishihara, a leading authority in the field of color vision research. The test is widely accepted by experts worldwide for its simplicity and accuracy in detecting red-green color blindness and other forms of color vision deficiencies.

Key Features and Benefits

The Graham Field Ishihara Test Chart Books are equipped with thirty-eight plates, allowing for a thorough assessment of color vision. Four special plates are included to determine the kind and degree of color vision defect. The test leverages the unique property of red-green color blindness, where blue and yellow appear significantly brighter, making it easier to identify the specific type of color deficiency. The color plates are encased in a specially designed album-type book, ensuring easy handling and durability. Detailed instructions are provided to guide users through the testing process.

Specification and Practical Uses

The Graham Field Ishihara Test Chart Books are a premium product, manufactured in Japan and protected by international copyright. As the exclusive North American wholesale distributor, Graham-Field has been providing these reliable test charts for over 30 years. These books are not only suitable for clinical settings but also for educational purposes, helping individuals understand and identify color vision issues. The accepted by leading authorities as a simple and accurate method for discovering congenital color blindness, the Ishihara test is an essential tool for healthcare professionals and anyone seeking a reliable color vision assessment.