| About Iridology: Explanation of Iridology, how it works, what to expect, health benefits, tips on choosing a practitioner and cautions. |
| Bernard Jensen Int.: Sales of charts, videos and related iridology products. |
| Canadian Neuro-Optic Research Institute: Details of courses, events, clinical case studies and education tools, with iridology FAQs and information on iris capture systems. |
| Choices for Health and Harmony: Diane Elms presents basic treatment information, with details of what to expect at her Ontario practice. |
| Eyeronec Digital IrisScope Photography: Manufactures irisscopes using a digital camera and photo printer for all professional iridoligists. |
| Guild of Naturopathic Iridologists: Details about the organisation, its membership, training, courses and accredited colleges within the UK, as well as background information on the history and practice of iridology. |
| Healthline Diagnostics: Offers a range of equipment, tools and software for the professional iridologist, with details of online courses also available. |
| International Iridology Practitioners Association.: Overview, FAQs and education details, with information about membership, people and events. |
| Iridology: Finding internal weaknesses through the color of eyes. How iridology originated, pictures, and how it works. |
| Iridology Is Nonsense: Article by Stephen Barrett, M.D., offering an explanation and history of iridology. |
| Iridology Page: Includes the Iridologist's Creed, articles, schools and tools directory, and bulletin board. |
| Iridology Plus: Canadian Journal of the Science and Practice of Iridology and Preventive Health Care, offering an article archive and subscription information. |
| Iridology Works: Offers a variety of software for use by both the professional iridologist and the student. |
| Iris Studies: Detailed resources and instructional information, offering product reviews, educational material, news, and images, and links. |
| Irisdiagnosis.net: Offering a variety of diagnosis tools, books, and courses. Product and ordering information, with founder profile. |
| Irisdiagnosis.net: A naturopath specialising in iridology, the Bowen method, and vitamin and mineral therapy. Lists details of methods used, courses offered, and lectures given. |
| MD Jones Enterprises: Introduction and glossary of terms, with details of related products and training seminars. |
| SoftIris: Overviews, screenshots and ordering information on a selection of iridology software and books. |
| Study the Iris: Explains how iridology works and what it reveals about the patient. |
| The Institute of Natural Health Technologies: Offers information about its available courses, with sales of charts and kits. |
| The Skeptic's Dictionary - Iridology: Overview of history, with skeptical analysis. |
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