BlindnessTest
Free Color Vision & Eye Screening Tools
What it does
BlindnessTest offers the most accurate online color blind test tools directly in your web browser. Built on clinical methods, our primary test uses computer-adaptive cone isolation to score red, green, and blue channels individually. Explore 6 interactive tools: Color Blind Test, Ishihara 38-plate edition, FM 100 Hue sorting, FALANT signal lights, Anomaloscope matching, and Cambridge thresholds. Track score history on your profile and export full PDF reports. 100% free with zero signups.
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