Ishihara Test Chart Books for Color Deficiency 10 Plates (Unlettered Persons and Children)
$21.00
$21.00
$
10
.99
$10.99
- 10 Plate Book (Unlettered Persons and Children) Edition 2013
- 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.
