HRR: Pseudoisochromatic Test, 4th Edition - Blue/Yellow Subset Book

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The HRR 4th Edition Blue/Yellow Subset Book is designed specifically for testing tritan color vision deficiencies. This subset contains eight plates from the complete HRR 4th Editi on: Plates 1, 4, 5, 6, and 21–24 These include the demonstration, screening, and diagnostic plates required for blue/yellow color vision testing. This is a subset of the complete HRR 4th Edition Color Vision Test, SKU 730005. It is intended for tritan testing only and does not include the red/green plates used for protan and deutan testing. Show more