Sounds like you are very scientific and research oriented. Where did you study iridology and herbology? I live in PA and would love to find an iridologist, just for the fun of it---kinda like having your cards read.
You say you found 4 iridologists in a 100 mile radius, well I haven't even found one! Was that in Arizona? Perhaps, it's like you said, iridology is a "parlor trick," I really hate all the scams in the alternative medicine field, it's getting just as bad as allopathic medicine.