This is the laminated version of the Hardy Rand Rittler Test (4th edition). HRR colour test with 20 plates. This book includes 4 demonstration plates, 6 plates for Screening, 14 plates to diagnose color deficiency.
The HRR is available from stock and will be shipped within 24 hours.
The Farnsworth D-15 (Luneau) Color Blindness Test is a reliable and easy-to-use test for detecting color blindness. The test comes in a transparent plastic holder and can be used as a quick color screening test to differentiate between both mild and pronounced color blindness.