Daltonism is a specific type of red-green color vision deficiency, also known as color blindness. People with red-green color vision deficiency may confuse colors that contain red or green elements.

Are you one of the 300 million people affected by color blindness? Take this simple, doctor-approved test to determine your ...

Approximately one in 20 people suffer from colour blindness, a condition that makes the world a duller place to look at. While many sufferers are aware if they have a significant form of the condition ...

Scientists have come up with a questionnaire they say should help diagnose a condition called face blindness. Prosopagnosia, as doctors call it, affects around two in every 100 people in the UK and is ...

There’s a strong link between psychedelic drugs and our vision. Trippy details, unexpected saccades and pupil dilation are all linked to taking compounds like LSD, magic mushrooms and DMT. But a new ...

An initiative between the Rail Safety and Standards Board (RSSB) and train drivers’ union ASLEF is enabling more people with colour blindness to work as train drivers Being able to see and distinguish ...

The inability to recognise faces is a surprisingly common, but fairly unknown, condition. Those who suffer have to use clothes, hairstyles, voice or walking manner to identify a person. Article ...