Additional Details for The Collerette Indentation:

(Zoom link details are at he end of this section)

Collarette Indentations occur in 40.23% of a general/average 32,004 population (Andrews, 2021).

This is involves the PNEI (emotional) based iris collarette map with 16 zones for the right iris and 16 zones for the left iris.

The Collarette Indentation has many classical indications and interpretations, plus many Modern Iridology findings on the physiological, genetic and emotional/PNEI potential for the individual.

This webinar presentation will feature the following areas which are lavishly illustrated with iris images and naturopathic clinical cases throughout:

Collarette Indentation Introduction

Local Indentation of the Collarette Historical & Anatomical Background

General Collarette Indentation Indications in Iridology

The Collarette Indentation in Modern Iridology Systems & the Axis in Iridology

Defining Signs In Modern Iridology Systems

The Genetic Predominance of the Collarette Indentation

Multigenerational studies for the Collarette Indentation

Solitary Collarette Indentation Presentation

The Collarette Indentation Map Legend

Collarette Indentation Map Priority

The Collarette Indentation Map Background

Collarette Indentation & General PNEI Indication Tendencies

Collarette Indentation @ 180 degrees/30” 

Collarette Indentation with Iris Pigment

Pigments with Collarette Indentation – PNEI indications

Indentation of the Collarette – Emotional Dynamics Corrrelations

Collarette Indentation – Potential Indications for the Pure Brown Iris

Collarette Indentation Therapeutic Protocols

Zoom Details for This event:

Topic: Collarette Indentation Map Webinar delivered by John Andrews

Time: Aug 10, 2022 07:00 PM London

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Meeting ID: 878 6049 2634

Passcode: 653072

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Meeting ID: 878 6049 2634

The Collarette Indentation Map Legend Percentage Frequencies

Topic:       GNI International 24th Annual Symposium   

Post Event Update:  What a joy, as always, for members, students and  interested practitioners from around the world to spend time together on Saturday 23rd October. We had a last-minute change in Lecturer as Brenda was unable to be with us due to illness. Our huge thanks and appreciation to our valued member John Andrews who stepped in and lectured on ‘The Collarrette Gap Map’.  

Details on how to book are above. Kindly ensure you cover Paypal transaction costs, including currency exchange rates.

Upcoming Webinar – GNI/John Andrews

Topic:  The Next 10 Most Important Signs in Modern Iridology (11 – 20)

Date:    Monday, 19th July 2021  7pm – 9pm 

Cost:    £20  – Zoom link will be forwarded with receipt following payment


 Webinar – Holistic Health College 


Date:     ………………………….  Starts at 9.30am 

Theme:  Await flyer

Presenter(s):  Angela Bradbury, Marcia Harewood

Cost:  £40 both days

Book:   Telephone 0207 834 3579 or  email

To book:  Telephone 0207 834 3579



10 Most Important Signs in Modern Iridology     with John Andrews

Topic:  10 Most Important Signs in Modern Iridology

Date:    Saturday, 22nd May 2021  10:00am  – 11am

Cost:    £10  – Zoom link will be forwarded following payment




Following our first successful Webinar on 10th October 2020 we now look forward to further online events so watch this space.   We shall leave our Flyers for the 23rd Symposium on the events page until we set a date and programme for the Annual Symposium for 2021.

                               above a reminder of our 2020 lecturers (Webinar)


above a reminder of our 2019 lecturers

Go to NNA website

If you are a GNI Iridologist or Accredited College and would like to publicise your training lecture/webinar or event please email us at