Colour Vision Gallery

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  1. Colour 'blindness'

    Colour 'blindness'

    Not everybody sees all the colours of the visible spectrum in quite the same way.

  2. John Dalton - A visual error

    John Dalton - A visual error

    He donated his own eyes to colour vision science.

  3. Ishihara and other colour vision tests

    Ishihara and other colour vision tests

    Numbers, squiggles and the rest.

  4. Colour vision test lanterns

    Colour vision test lanterns

    Illuminating defects in colour vision.