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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Color Vision, screening is now as easy as using your favorite app. The M&S Smart System Tablet (Google Nexus 7) comes pre-installed with ColorCheck Color Vision, application to easily and quickly screen both adults and children. ColorCheck uses Pediatric LEA SYMBOLS® and LEA NUMBERS® to check for protan/deutan/tritan (red/green/blue) color deficiencies. The protocol is completely randomized ensuring accurate results.
Laminated combination HRR/Amsler book for testing of acquired Color Vision, defects is now easier than ever with two of the key tests combined in one book. The new HRR 4th edition is combined with a book of Amsler Charts, including Diagonals, Red Lines, and Subdivided Squares.
Intended use is for medical professionals to qualify and quantify patients for Color Vision, deficiency.
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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