In a world where we rely on Google Maps to get everywhere, from the nearest chai tapri to a road trip in the mountains, it’s hard to imagine life before those tiny coloured lines told us where to turn ...
Deutan colour-vision defects comprise deuteranomaly (anomalous trichromatic colour vision) and the more severe and less common deuteranopia (dichromatic colour vision). Deuteranomaly occurs if a ...