Dvorine Pseudoisochromatic Plates 2nd Edition

This is a brand new copy except the protector case is slightly damaged due to shipping (see last image). The plates themselves are new and intact. Only one copy available at discount price.<br><br>What a rare find! The Dvorine Pseudoisochromatic Plates are still in use but aren't easily found anywhere. These plates are certainly due to become a precious collectible that may very well worth much more going forward.<br><br>This item is brand new, in shrink wrap. It was published by the Psychological Corp (a Harcourt Company). 2nd Edition<br><br>Pseudoisochromatic test plate by<br>Israel Dvorine: Pioneer in Color Vision Testing. This is the gold standard for color vision testing. Defective color vision is a risk factor as the number of occupations relying on color grows.<br><br>This is the first U.S. color vision test, which was developed during World War II through the initiative and pioneering dedication of a remarkable man -- Dr. Israel Dvorine.