Which Ishihara Book Should I Choose?
10 Plate Edition: A compact screening option that uses symbols and tracing paths rather than standard number-only plates. This version may be helpful when testing young children or individuals with limited reading ability.
14 Plate Edition: A concise version for quick color vision screening. This edition includes a combination of number plates and tracing plates and is commonly used when a shorter test format is preferred.
24 Plate Edition: A more complete screening edition. This version includes number plates for standard red-green color vision screening and additional tracing plates that may be useful for patients who cannot reliably identify numbers.
38 Plate Edition: The most complete Ishihara edition. This version provides the broadest series of screening, classification, and tracing plates for a more expanded color vision evaluation.
In general, the shorter books are best for quick screening, while the 24 and 38 plate editions provide a more comprehensive test series.
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