Ishihara Test Chart Books For Color Deficiency Optometry Visual Exam Tools
USD 32.99 USD
Specifications
| Size | 1 Count (Pack Of 1) |
| Safety Warning | For External Use Only |
| Color | Blue |
| Material | Paper |
| Unit Count | 1.0 |
| EAN | 0717076043021 |
| ISBN | 0717076043021 |
| Package Dimensions LxWxH | 8.66x6.06x0.63 Inches |
| Weight | 0.6 Pounds |
| UPC | 717076043021 |
Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green. Consist of a number of colored plates. On each plate is printed a circle made of many different sized dots of slightly different colors, spread in a random manner.
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