Ishihara 38 Plate Chart Book for Color Blindness Test & Monitoring Use in dialysis blood collection Heat Therapy Pumps

Ishihara 38 Plate Chart Book for Color Blindness Test & Monitoring Use in dialysis blood collection Heat Therapy Pumps Use in dialysis blood collection oncology respiratory critical care and cardiac * Deep recline and Trendelenberg position can only be attained by attendant * 3 positions with infinitely adjustable back * Standard release handle feature for quick back release * Comes with 12 standard size HotPacs * 33 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