Master Iridologist Diploma
Master Iridologist Diploma

The Master Iridologist diploma encompasses a deep study of Iridology and the Foundation of Natural Medicine. Learn the language of Iridology, together with natural therapeutic programme creation, as you gain the skills to analyse, educate and mentor self-healing with clients and students. Discover how purification, regeneration and transformation brings light, clarity and changes to the iris, along with profound improvements in health and wellness. Experience iris changes during your self-healing module, as you directly experience the teachings and become an inspiring, authentic guide for others. As you embody understanding of your own iris, you learn depth understanding of how the iris mirrors multi-levels of physical, emotional, social, mental and spiritual realities that are truly holistic.

I understand your way of teaching and I'm grateful that I found your school. It takes more time, but at the end of study I'm able to say that I'm a true Iridologist.

Andrej Hladnik Master Iridologist graduate

My practice is located in Alamo, Texas, which is very influenced by Mexican American culture. Many of my clients are Latin American and suffer from illnesses related to poor diet. I integrate Iridology with herbal medicine and educate them about healthy eating habits. Learning about Iridology, Healing Diets and Naturopathy in the School of Natural Medicine UK has changed my life and it has helped me to understand and heal myself and others. This work is my passion!

Gretta Garza MIr HHP Iridology graduate and Healing Diets student
Student drawing of iridology chart
Course Consists Of
Course Consists Of
  • Iridology online course - 14 lessons - 453 pages, plus dozens of charts, several e-book, including 'Iridology - A Complete Guide, Herbs of Grace, Iridology Coloring Book and Dictionary of Iridology by Farida Sharan, and hundreds of iris photos
  • Healing Diets Coach online course - 12 Lessons - 540 pages
  • Naturopathy & Iridology 10 Day Immersion Training
  • Self Healing Module

Iridology is the study of the structure, colour and markings of the iris of the eye to determine inherent strengths and weaknesses in body organs, systems and glands, thus assessing inherent pathways towards disease and the individual way in which a person ages.

This knowledge is uniquely suited to preventative medicine as it provides an opportunity to create highly personalised cleansing and health building programmes.

Iridology is also used to increase understanding of how a person’s stresses, lifestyle and habits interact with their unique strengths and weaknesses to create the specific health issues and mind-body dynamics that they are experiencing, and how to reverse this process through the educated use of diet and lifestyle interventions.

  • Train with Bonny Casel ND, MIr, a leading Master Iridologist who has personally studied with Iridology pioneers Dr. John Christopher, Dr. Bernard Jensen, Harry Wolf, Dorothy Hall, and Farida Sharan, and also the creator of Rayid, Denny Johnson. Casel has been an international teacher since 1988, assisted in writing the Iridology Online Course with Farida Sharan, and illustrated the new edition of 'Iridology - A Complete Guide' by Farida Sharan.

  • Graduates receive the Master Iridologist diploma and qualify as a board accredited Alternative Medical Practitioner with the AAMA

  • Graduates also receive the Healing Diets Coach certification and qualify as a board accredited Holistic Health Practitioner with the AADP

Online Course Fees & Payment Options

Master Iridologist online studies consist of:

  • Iridology Online Course
  • Healing Diets Online Course

There are two payment options:


Time Payment: 12 monthly payments of £160

Or Discounted Payment in Full: £1500

Scroll down for course topics

Naturopathy & Iridology Immersion Course Fee

10 day Immersion: £1350

Learn more
Self Healing Module

This three month program can be undertaken at any point in your studies.

£400 plus herbs, essential oils, flower essences, etc as outlined in your individual program.

Learn more
Course Details
  • History and Philosophy of Iridology - from 1000 BC to today
  • Foundation of Natural Medicine
  • Symbolic language of the interior world
  • Iris topography
  • Embryology
  • Iris drawing
  • Iris texture
  • Basic Iris Signs
  • Eliminative channels in the iris
  • European constitutional types
  • Faridian constitutional types
  • Holistic anatomy and physiology
  • Nervous system in the iris
  • Digestive system in the iris
  • Circulatory system in the iris
  • Lymphatic system in the iris
  • Endcrine system in the iris
  • Reproductive system in the iris
  • Respiratory system in the iris
  • Urinary system in the iris
  • Skeletal and muscular systems in the iris
  • Iridian psychology
  • Rayid model
  • Flower essences, emotional healing and Iridology
  • How the body utilises water in cell, organ, gland and systemic function.
  • The effects of dehydration
  • Water fasting: history, theory and practice
  • Water quality, structure and preservation
  • Water as a container for intention
  • Juice fasting: history, theory and practice. Methods of juicing
  • Liquitarian Diets
  • Green drinks
  • Produce hygiene
  • Nutritional and medicinal properties of fruits and vegetables.
  • Disease progression: enervation, toxemia, irritation, inflammation, ulceration, induration, fungation
  • Steps to overcoming disease
  • The eliminative organs and now to support them with diet, herbs and naturopathic therapies
  • Detox symptoms and naturopathic treatments
  • Bowel cleansing: theory and practice
  • Digestive health and longevity
  • In-depth study of the digestive system and enteric nervous system
  • Liver and gallbladder cleansing: theory and practice
  • Stomach cleansing and healing
  • Nutritional support for body organs, systems and glands
  • Kidney stone cleansing and urinary system support
  • Wheatgrass, chlorophyl and Rejuvelac: benefits and use
  • Purification Diet
  • Food combining
  • Alkaline diet: effects of pH on body cells, organs, glands and systems, and on mental and emotional health
  • Minerals, vitamins, proteins, starch, fats, sugars, enzymes, antioxidants, phytonutrients pre and probiotics, life force in food, and their roles in body function
  • Diet and the immune system
  • Lymphatic cleansing
  • Diet and the nervous system
  • Transition Diets
  • Low glycemic diets
  • Healing food habits: mealtime stories, food addiction, emotional eating and other eating disorders
  • Oils and fats: raw, vegetable, nut and seed, methods of extraction, effects on health
  • Creating a healing diets kitchen: tools, cookware
  • Conscious eating: awareness, presentation, environment
  • Menu inspiration
  • Five elements: earth, water, fire, air and ether, and their relationship with diet
  • Biological humours of Vata, Pita and Kapha
  • The three Gunas and diet
  • Six tastes: sweet, sour, salty, pungent, bitter and astringent
  • Healing spices: dosha balancing and medicinal benefits of culinary spices
  • Living foods: history, benefits and practice
  • Fermented food and drinks
  • Sprouting
  • Dehydrating foods
  • Use of nuts and seeds in healing diets
  • Raw food diets: transitioning to raw, raw food preparation, nutrient density, raw challenges, raw contraindications
  • Assimilation of nutrient
  • Diets for babies and children
  • Diets for adolescence
  • Diet for preparing for pregnancy, pregnancy and nursing
  • Diet for health building and recovery
  • Supportive diets for those on medication
  • Diet for menopause
  • Diet for the elderly
  • Food and conditions for increasing beauty
  • Nutrient density for athletes
  • Food and consciousness: emotions, cognition, depression, anxiety, gut health, etc.
  • Tissue Salts
  • Parasite cleansing
  • Vegan diet: philosophy, practical application and menu inspiration
  • Health consequences of eating animal products
  • Enqironmental consequences of eating animal products
  • Social consequences of eating animal products
  • Economic consequences of eating animal products
  • Meat, dairy and egg replacers in recipes
  • Vegan and vegetarian baking
  • Food and Ethics
  • Factory farming
  • Genetically modified foods: health, environmental and economic/societal costs
  • The seed industry
  • Corporate food
  • Litigation and school lunches
  • Subsidised GMO farmers vs penalised organic farmers
  • Slave labour in the food industry
  • Codex Alimentarius
  • Food additives
  • Public Research - Private Gain: funding for food research/funding policies
  • Changing food policies
  • Food sovereignty
  • Soil and health
  • Organic farming: biodynamics and permaculture
  • Self healing and independent health
  • Creating a practice
  • Creating a consultation space
  • Practice promotion, websites and marketing
  • Practice ethics and codes of conduct
  • Consultation skills
  • Healing Diets programme creation

The Self Healing Immersion is a core part of School of Natural Medicine UK training. Here each student has the opportunity to personally experience the complete system of mind-body plant medicine that we teach.

The focus of the Self Healing Immersion is on direct experience of dietary changes, herbs, essential oils and flower essences, supported by lifestyle changes and natural therapies.

The Self Healing Module includes:

  • Consultation (in person or by Skype)
  • A three to four step programme that can be taken at your own pace includes transition, cleansing and health building phases, flower essences, essential oils and supportive therapies that you can do at home.
  • Recommendations may also be made to experience the benefits of other healing modalities
  • Students keep a self healing journal that they can continue through their studies.
  • The Self Healing Module is a three month programme but many students choose to continue throughout their studies.
  • Herbal formula, flower essences, essential oils, etc are purchased independently, or students can blend their own formula if they wish.
  • Students are required to begin their Self Healing prior to attending Immersion Trainings.

Can I begin with the online studies and choose attend the Immersion at a later date for the Master Iridologist diploma?
Yes! You are welcome to begin with online certification training and, if at a later date, you would like to continue your studies to diploma level by attending Immersion Trainings, undertaking the Self Healing module and, if applicable, attending Clinical Training, then your online studies will be applied in full towards diploma training.

How is the online study structured?
There are 12 lessons in the Healing Diets online course, and 14 lessons in the Iridology online course. Each lesson contains between 40 and 60 pages of detailed study material, with additional links, photos, video and/or recommended reading, depending on the lesson.

Assignments combine reading, research and writing, with creative projects and experiential self healing. Assignments for each lesson are sent together as a group for marking and feedback. If your assignments do not reach the standard required, then you are given the opportunity to develop your work and resubmit your assignments.

How do I get help if I have a question?
Help with questions is readily available by contacting Bonny Casel by email. If the questions are more complex, then Bonny will set up a time to speak with you on Skype.

Is there a deadline for competing the course?
The online courses must be completed within three years, although you can apply for an extension with extenuating circumstances. If a student has not sent in an assignment in six months, the student file is placed on hold for a further six months before being closed.

Is the Master Iridologist online course accredited?
Each of our courses are accredited and you can view details of accreditation on our website by following this link.

Are the online courses accredited internationally?
Each country has its own requirements and there is no accreditation available that is ‘international.’ Most countries do not regulate the practice of natural medicine, and you can freely practice without requiring board examinations or professional memberships. Some countries do require an examination in their own language, for example in Germany there is an examination required for all practitioners who make health recommendations, regardless of your qualifications. School of Natural Medicine graduates practice all over the world and we have never had a graduate who has been unable to practice and/ or teach in their home country.

Will I be able to obtain practice insurance upon graduation?
School of Natural Medicine UK graduates can obtain discounted block insurance from Balens insurance company in the UK, or with an insurance company in your own country. Professional memberships also frequently offer reduced fee insurance options.

I have further questions about the courses. How do I reach the school?
You can reach the school directly using the contact form on our website.
To arrange a Skype call, email the school to make an appointment.
You can also arrange a time to speak with Bonny Casel by telephone. Email the school using the contact form to schedule a time.

When can I begin my studies?
We have open enrollment, so you can begin your studies as soon as you wish!


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