Bernard Jensen Int. Sales of charts, videos and related iridology products. http://www.bernardjensen.org

Canadian Neuro-Optic Research Institute Details of courses, events, clinical case studies and education tools, with iridology FAQs and information on iris capture systems. http://cnri.edu/

Choices for Health and Harmony Diane Elms presents basic treatment information, with details of what to expect at her Ontario practice. http://www.choicesforhealthandharmony.com

Eyeronec Digital IrisScope Photography Manufactures irisscopes using a digital camera and photo printer for all professional iridoligists. http://www.eyeronec.com

Healthline Diagnostics Offers a range of equipment, tools and software for the professional iridologist, with details of online courses also available. http://www.iriscopes.com

International Iridology Practitioners Association. Overview, FAQs and education details, with information about membership, people and events. http://www.iridologyassn.org/

Iridology Works Offers a variety of software for use by both the professional iridologist and the student. http://www.iridologyworks.com/

Iris Studies Detailed resources and instructional information, offering product reviews, educational material, news, and images, and links. http://www.iris-ward.com/

Irisdiagnosis.net Offering a variety of diagnosis tools, books, and courses. Product and ordering information, with founder profile. http://www.irisdiagnosis.net

SoftIris Overviews, screenshots and ordering information on a selection of iridology software and books. http://www.softiris.com/

Study the Iris Explains how iridology works and what it reveals about the patient. http://www.studytheiris.com

The Institute of Natural Health Technologies Offers information about its available courses, with sales of charts and kits. http://www.naturalhealthtech.com