Ishihara 38 Plate Chart Book for Color Blindness

Ishihara 38 Plate Chart Book for Color Blindness
Availability: Out of stock
SKU: 42-1256
$343.00
  • 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