Bi-digital o-ring test molecular identification method
Means of determining internal-organ “representation areas” on the human tongue. Theoretically, this enhances tongue acupuncture and TCM tongue diagnosis. Yoshiaki Omura, M.D., Sc.D., developed the method in New York City. It includes the Direct Bi-Digital O-Ring Test Method and the Indirect “Bi-Digital O-Ring Test.” Omura has promoted the method worldwide, and there are “O-ring societies” in Europe and Japan. Also called bi-digital o-ring test, o-ring technique.