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The new Richmond HRR pseudoisochromatic test for colour vision is better than the Ishihara test - Cole - 2006 - Clinical and Experimental Optometry - Wiley Online Library
HRR Pseudoisochromatic Color Vision Test
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HRR Pseudoisochromatic Color Blindness Test - 4 Plates
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![Pseudo-Isochromatic Plates for Color Perception, American Opical Company, 1st Ed. [1940]. *Note: The aging of this book & potential ink/page discolouration is not suitable for current testing standards. Posted as a historical](https://preview.redd.it/pseudo-isochromatic-plates-for-color-perception-american-v0-jtm0vxisawi81.jpg?width=640&crop=smart&auto=webp&s=db9b79aaf2b09f1c3ddf568e98a68a8838e774bf "Pseudo-Isochromatic Plates for Color Perception, American Opical Company, 1st Ed. [1940]. *Note: The aging of this book & potential ink/page discolouration is not suitable for current testing standards. Posted as a historical")
Pseudo-Isochromatic Plates for Color Perception, American Opical Company, 1st Ed. [1940]. *Note: The aging of this book & potential ink/page discolouration is not suitable for current testing standards. Posted as a historical
Amazon.com: Laminated HRR Standard Pseudoisochromatic Test, 4th Edition : Industrial & Scientific
HRR Pseudoisochromatic Plates
HRR Color Test; Non-Laminated
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HRR Colour Vision Test - Colour Vision Test - Kay Pictures
HRR Standard Pseudoisochromatic Test, 4th Edition, H: Bernell Corporation
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AO Plates | Young Expressions
Archive - AO HRR Pseudoisochromatic plates - Optometry Museum & Archive
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HRR 4th Edition Pseudoisochromatic Test - English Instruction Version from Good-Lite (Formerly Richmond Products, Inc.) - Product Description and Details
Amazon.com: Laminated HRR Standard Pseudoisochromatic Test, 4th Edition : Industrial & Scientific
School Health HRR Pseudoisochromatic Plates 4th Ed.
