iridology was first practiced in the 19th century by ahungarian doctor named ignatz von peczely. when he was a child, he nursed an owl with a broken leg and noticed in its iris a black stripe that slowly turned white and then became a tny black spot as its leg healed. years later, as a docter,he noticed a similar marking in the eye of a man with a broken leg. over the year s von peczely found many cases in whish people suffering from similar illnesses had similar markings in their irises