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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The Lanthony Desaturated Color test is identical to the Farnsworth D-15, but the 15 disks are desaturated (lighter in hue). This allows the screener to determine whether or not the subject has the ability to discriminate between subtle color variations. The test can distinguish between normal color perception and mild deficiency in protan/deutan (red-green) or tritan (blue-yellow).
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.
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.
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