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...
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.This item is brand new, in shrink wrap. It was published by the Psychological Corp (a Harcourt Company). 2nd EditionPseudoisochromatic test plate byIsrael 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.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.
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