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ISHIHARA TEST CHART-14 PLATE

 
ISHIHARA TEST CHART
For Color Deficiency
ITEM: #61-1254
BRAND: OptiSource
Quantity
Price: $189.99
DETAILS
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 decree 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.

14 plate book