Hardy-Rand-Rittler Pseudoisochromatic Plates (4th Edition Richmond-HRR) plates 5-24: 12 errors, 2 allowed Hardy-Rand-Rittler Pseudoisochromatic Plates (2nd Edition AOC-HRR), plates 7-11: 2 errors, 0 allowed But there are different types of colorblindness, so YMMV.
#Aoc hrr 2nd edition test how to#
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