Ishihara Colour Vision Test Books – 24‑Plate (Screening) & 38‑Plate (Diagnostic)
The Ishihara Colour Vision Test Books offer high-quality, album-style plates for accurate assessment of red–green colour vision deficiency. Now available in two formats:
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24-Plate Screening Edition: Ideal for rapid checks; includes demonstration, vanishing, and four diagnostic plates—for everyday workplace, school, or industrial screening.
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38-Plate Diagnostic Edition: Comprehensive testing with extra transformation and hidden‑digit plates to assess the type and severity of deficiency—used in clinics, optometry, and occupational health.

