Color Blindness Test

Ishihara-style color vision screening

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Full guide

How Color Blindness Screening Tests Work

Learn how Ishihara-style plates screen for protan, deutan, and tritan color vision differences — and why online tests are not a medical diagnosis.

Read the guide

About Color Blindness Test

Screen for color blindness with 8 Ishihara-style dot plates. Tests for Protan, Deutan, and Tritan deficiencies. Enter the number you see in each plate and get a scored result with per-type analysis. This is a screening tool, not a diagnostic.

Color Blindness Test Features

  • 8 Ishihara plates
  • Protan/Deutan/Tritan detection
  • Scored results
  • Per-plate feedback

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