Canadian Neuro-Optic Research Institute - Details of courses, events, clinical case studies and education tools, with iridology FAQs and information on iris capture systems.
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.
Hellenic Medical Association Of Iridology - Details of training, research and consultations, with magazine, case studies and links. [In English and Greek]
International Iridology Practitioners Association. - Overview, FAQs and education details, with information about membership, people and events.
Iridology at the Kevala Centre - Information on distance learning foundation course, with introduction to iridology and details of the work of Dr. Von Peczely.
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.
Iridology World - Overview of applied iridology, with letter from the Director, links and background material.
Iris Ward - Detailed resources and instructional site, offering product reviews, educational material, news, and images, with extensive links.
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.
The Iridologists Chronicles - Featuring in-depth study aids, details of courses, history, dictionary of markings and symbols, articles, news and reviews.