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Good-Lite Laminated HRR Standard Pseudoisochromatic Test, 4th Edition

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The Good-Lite Laminated HRR (Hardy Rand and Rittler) Standard Pseudoisochromatic Test, 4th Edition provides a number of extremely important features to provide the most advanced color vision test: 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 essentially 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. Special nonglare laminate has been tested using a spectrometer to insure the colors are unchanged. Helps avoid fingerprints and damage to the plates. The HRR Pseudoisochromatic Plate Test 4th Edition supports very efficient color deficiency screening. The first four plates are used to show the patient how the test works. The fourth plate in this demonstration series has no figure and serves to potentially uncover attempts to memorize this test. The next six plates (screening series) present the most difficult protan, deutan and tritan (red, green, yellow, and blue) targets. Success with these plates defines the subject as having ‘normal color vision’ and completes the test. The subsequent 14 plates are the diagnostic series and provide diagnostic as to the extent (mild, medium or strong) and type of defect (Protan, Deutan, Tritan).

  • Laminated pages provide lasting protection.
  • 6 plates for Screening.
  • 14 plates to diagnose color deficiency.
  • Reversible occluding glasses.
  • Brush for cleaning pages.
More Information
Manufacturer Good-Lite
MPN 730005
Brand Good-lite
Type of product HRR Pseudoisochromatic Test
Packaging 1 Each
Product Count 1
Minimum Shipping latency 3
Weight 2.0000
Returns Accepted Yes
Shipping Dimensions 12L X 9W X 3H