8 Blue/Yellow plates, brush, English instructions, score sheet.
This is a subset of the HRR 4th Edition used for testing Tritan only.
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8 Blue/Yellow plates, brush, English instructions, score sheet.
This is a subset of the HRR 4th Edition used for testing Tritan only.
8 Blue/Yellow plates, brush, English instructions, score sheet.
This is a subset of the HRR 4th Edition used for testing Tritan only.
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For many years, anyone administering the Farnsworth 100 Hue Tests have complained about how patients cannot avoid touching the color discs. Further, the discs are very easy to lose, resulting with test kits becoming compromised.
The HRR (Hardy Rand and Rittler) Standard Pseudoisochromatic Test, 4th Edition provides several very important features to provide the most advanced Color Vision, test available: congenital and acquired testing, identification of the type of defect and diagnosis of the extent of the defect as well as quick positive classification of normals. The HRR employs a sophisticated test strategy that virtually eliminates the potential for memorization and malingering. The figures used by the HRR Pseudoisochromatic Plates are independent of language and suitable for both adults and children.
The Laminated HRR (Hardy Rand and Rittler) Pseudoisochromatic Test, 4th Edition provides several very important features to provide the most advanced Color Vision, test available: congenital and acquired testing, identification of the type of defect and diagnosis of the extent of the defect as well as quick positive classification of normals. The HRR employs a sophisticated test strategy that virtually eliminates the potential for memorization and malingering. The figures used by the HRR Pseudoisochromatic Plates are independent of language and suitable for both adults and children.
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