Advanced Iridology flashcards/Tarjetas de IridologÃa para Avanzados-Advanced signs of the Iris, Pupil and Sclera and their explanations in English, Spanish and Czech. Colored and laminated flashcards showing the iris and its signs with explanation on the back side of each card. Tarjetas de IridologÃa para Avanzados - 29 signos del iris, la pupila y el blanco para avanzados y su explicación.