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.
Ishihara colour deficiency test with 38 plates. This is the most complete Ishihara test and it tests for protan & deutan defects. Patients must identify numbers or patterns formed in a matrix of small coloured dots varying in colour & intensity (pseudo-isochromatic plates). Ideal for commercial/ industrial colour screening.
We have this Ishihara test available from stock, worldwide delivery.