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James Randi Educational Foundation

An Encyclopedia of Claims, Frauds, and Hoaxes of the Occult and Supernatural

Introduction | "R" Reading | Curse of the Pharaoh | End-of-the-World Prophecies

Index | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | Y | Z

iridology This is a quack system of diagnosis originated by Hungarian physician Ignatz von Peczely and revived in the twentieth century by an American chiropractor named Bernard Jensen. It assumes that a homunculus is represented in the iris of the eye. The iris is charted in zones which represent all areas of the body. Discolorations, streaks, and spots present in these areas are interpreted as either present or future problems. Since there is no differentiation between existing or yet-to-come physical defects, the interpreter/diagnoser cannot be wrong.

The irises of the human eyes mapped by Bernard Jensen, a doctor of chiropractic, showing the parts of the body represented by iris areas, according to iridology theory.

      Iridology has been tested many times and has always failed. Nonetheless, it is still popular, particularly in Belgium and France.

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