Color Blindness Ishihara Vision Testing 38 Charts | Color Deficiency Test Book with Numbers | Ishihara Plates for Testing All Forms of Color BlindnessBy Shinobu Ishihara Japanese Surgeon (Blue)

Color Blindness Ishihara Vision Testing 38 Charts | Color Deficiency Test Book with Numbers | Ishihara Plates for Testing All Forms of Color BlindnessBy Shinobu Ishihara Japanese Surgeon (Blue)

• ♥【Improved &Upgrade Design in 2021】- 38 Plate Book Latest Edition with Instruction Manual
• ♥ 【 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.