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College of Naturopathic Medicine - The Anatomy of Iris | Iridology

Thumbnail of the video “College of Naturopathic Medicine - The Anatomy of Iris | Iridology”
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Author: College of Naturopathic Medicine
Categories: Health Education Fitness
Tags: health, education, fitness
Views: 2 · Last viewed: 2026-10-16 20:53 UTC

Short Summary

Main recommendation: The video is an anatomical tutorial that teaches viewers how to map the zones of the iris as used in iridology, which is the practice the presenter frames around the iris "anatomy" rather than endorsing any diagnostic claim. The presenter walks through a front-facing diagram from the pupil outward, naming each zone and border with its standard iridology terminology.

Key Points

  • The innermost black area is the pupil, and the red ring just outside it is the inner pupil border, which the presenter describes as an extension of the retina.
  • The inner zone is called the colarette, also known as the pupillary zone, and is referred to functionally as the nutritive zone.
  • The white ring marks the border of the colarette, described as the minor arterial circle, also known as the autonomic nerve wreath.
  • The outer zone (light blue area) contains the dilator muscle, which expands the pupil, and is also called the ciliary zone.
  • The grey outer ring is the limbus, the edge of the iris where it joins the white of the eye.

Details Worth Noting

  • Concrete instructions: No step-by-step procedure, dosage, or preparation method is given. The actionable content is limited to the diagram-reading method: identify the pupil, locate the colarette border (the wavy or jagged ring that defines the pupillary zone), then assign the surrounding area to the ciliary zone up to the limbus.
  • The presenter notes some confusion in terminology: many iridologists call the wavy ring the colarette, while the whole inner zone can also be called the colarette, with its defining edge called the border of the colarette. Either usage is accepted in the video.
  • The sphincter muscle is also located in the inner zone, alongside the dilator muscle described in the outer zone.
  • The presenter says the limbus has "very important signs" that can be plotted at the iris edge, but the video defers this to a later section and does not explain them here.

Bottom Line

The video provides a zone-by-zone naming map of the iris for iridology students, but it does not itself establish whether the iris reveals health conditions.