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Monochromatism

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

In monochromatism there is an absence of colour vision.

Possible causes:

  • may be the result of being born without cones (this causes low visual acuity, photophobia, nystagmus and an absence of colour vision), or,
  • when all cones contain the same visual pigment and there is therefore a failure to distinguish colour

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