Sign viewed with colour-blind vision. View of a colourful sign as it would be seen by a person with deuteranopia. Deuteranopes lack the medium-wavelen

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Sign viewed with colour-blind vision. View of a colourful sign as it would be seen by a person with deuteranopia. Deuteranopes lack the medium-wavelength cone cells in the eye's retina and are unable to distinguish between colours in the green/yellow/red section of the spectrum.

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Size: 5404px × 3556px
Photo credit: © LAURENT DOUEK/LOOK AT SCIENCES/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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