they are all called "Iridology".
The majority of the charts you see were first done by a Bernard Jensen , and he was mostly from the diet/health POV.
Then there is the charts and books that seem to emphasize the emotional aspects as it applies to the charts...more like the Sclerology of the whites.
I've never come across much worthy reference that has spent the time to 'cross both streams' so to speak. Though these days a little time with Photoshop would be pretty easy.
As for Googled images the Emotional Charts aren't readily available: