John Dalton was the first person to systematically explore colour blindness (more appropriately called colour deficiency since the vast majority of people with this condition can see colour but have poor colour discrimination. He presented a famous paper - Extraordinary facts about colour vision - in Manchester in the 1790s. We now know that whilst most of us are trichromats (having three types of cones in our retina) some people are dichromats (with only two cone classes) or anomalous trichromats. Recently we have discovered that some people are even tetrachromats and might have exception colour discrimination. This podcast is all about colour blindness.
The podcast Over The Rainbow is embedded on this page from an open RSS feed. All files, descriptions, artwork and other metadata from the RSS-feed is the property of the podcast owner and not affiliated with or validated by Podplay.