Graham-Field™ Ishihara® Test Chart Book for Color Deficiency, 14 Plates
Ishihara® test charts are 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. The test makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green.
- (14) color plates encased in specially-designed album-type book for ease of handling
- Includes (4) special plates for tests to determine the type and degree of defect in color vision
- Detailed instructions included
| Part Number | 02-70-1254 |
|---|---|
| Country of Origin | JP |
| UNSPSC Category | 42183001 |
| Harmonization Code | 9018.50.00.00 |
| Mfg# | 1254 |
| Old Item | 02-32-1254N |
| Warranty | No Warranty |
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