Ishihara 38 Plate Chart Book for Color Blindness Ultrasound Units-Accessories 1 x Upper Arm Blood Hip Kits

Ishihara 38 Plate Chart Book for Color Blindness Ultrasound Units Accessories 1 x Upper Arm Blood Hip Kits 1 x Upper Arm Blood Pressure Monitor Weight Capacity * 22 Width between arms 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