Ignaz von Peczely

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Ignaz von Peczely (1826-1911) was a Hungarian physician, who is credited with the invention or re-invention of the pseudoscientific theory of iridology.[1][2] Von Peczely first thought of iridology when caring for an owl with a broken leg. After noticing a spot in the owl's eye he hypothesized a link between the two and later tested this theory with other animals.[3] Iridology is now widely rejected by evidence-based medicine and regarded as a pseudoscience.[4][5]

See also[edit]


  1. ^ The Skeptic's Dictionary entry on 'Iridology'
  2. ^ Iridology Is Nonsense, by Stephen Barrett, M.D.
  3. ^ Abgrall, Jean-Marie (2000). Healing or Stealing? Medical Charlatans in the New Age. Algora Publishing. pp. 98–9. ISBN 1-892941-51-1. 
  4. ^ Kaiser, Hanns; Manfred Stöhr (2002). Ärzte, Heiler, Scharlatane: Schulmedizin und Alternative Heilverfahren Auf Dem Prüfstand. Springer. p. 183. ISBN 3-7985-1305-8. 
  5. ^ Carroll, Robert Todd (2003). The Skeptic's Dictionary: A Collection of Strange Beliefs, Amusing Deceptions, and Dangerous Delusions. John Wiley and Sons. pp. 183–184. ISBN 0-471-27242-6.