A typical scoring clinical protocol for the 14-plate series follows these standards:
The results of the Ishihara 14-plate test are used to diagnose red-green color blindness. The test can detect two types of color blindness:
The Ishihara 14 plate test is an efficient, validated screening tool for red‑green color vision deficiencies when used correctly with the original printed plates under proper lighting. It is not a diagnostic instrument, and results should always be confirmed by an eye care professional. Avoid “free PDFs” found online—they are counterfeit, legally problematic, and clinically unreliable. ishihara 14 plate test pdf
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Some organizations require a stricter passing score of 12 out of 14 correct answers. Can You Use a PDF for Testing? A typical scoring clinical protocol for the 14-plate
The Ishihara 14-plate test is a specific version of the Ishihara test that consists of 14 plates. Each plate contains a circular image made up of dots of different colors and sizes. The test is designed to be administered under standardized lighting conditions.
⚠️ A single failed Ishihara test is not a formal diagnosis. Confirmation requires a full ophthalmologic exam with the 38‑plate test, anomaloscope, or Farnsworth‑Munsell 100 hue test. The Ishihara 14-plate test is a specific version
✅ The Color Vision Testing Made Easy (CVTME) test is publicly available for research with permission.
These involve tracing winding lines to differentiate between "Protan" (red) and "Deutan" (green) types.
The 14 plate version includes: