Constitution Types Guide

What Does Your Eye Color Mean?

In iridology, your eye color is the starting point for understanding your constitution — the inherited body type that may shape your tendencies, sensitivities, and strengths. Here's what the three classic constitution types look like.

For educational and entertainment purposes only. Not medical advice.

Lymphatic

Blue / Gray

Visible fiber structure, often with a white overlay. Sensitive to lymphatic and respiratory stress.

Hematogenic

Brown

Dense pigmentation that can hide the fibers. Tendencies tied to blood, liver, and digestion.

Biliary / Mixed

Hazel / Green

Blue or gray base with brown or amber overlay. Combines lymphatic and blood-related tendencies.
Lymphatic Constitution

1. Lymphatic Constitution

Blue or gray iris · Often the most "readable" iris type

Appearance

  • Base color is blue, light blue, gray, or blue-gray
  • Fiber structure is visible and easy to analyze
  • May show a white overlay called the lymphatic rosary — a chain of white dots near the outer iris

Inherent Tendencies

  • Lymphatic system sensitivity — prone to swollen lymph nodes
  • Respiratory sensitivities — sinusitis, bronchitis, allergies
  • Mucous-membrane reactivity — excess mucus production
  • Skin conditions — eczema, psoriasis, dry skin
  • Joint and arthritic tendencies

Traditional Support Recommendations

  • Focus on lymphatic drainage and movement
  • Reduce dairy and mucus-forming foods
  • Support respiratory health — fresh air, gentle breathwork
  • Regular exercise to keep lymph circulating
Hematogenic Constitution

2. Hematogenic Constitution

Brown iris · The blood and metabolism type

Appearance

  • Solid brown coloring, ranging from light to very dark brown
  • Dense pigment layer often obscures the fiber structure
  • Harder to read than lighter eyes — pigmentation hides the underlying detail

Inherent Tendencies

  • Blood-composition issues — anemia, blood-sugar imbalances
  • Liver and gallbladder sensitivities
  • Digestive disturbances, especially with fat digestion
  • Circulatory challenges
  • Glandular imbalances

Traditional Support Recommendations

  • Liver and gallbladder support
  • Bitter herbs to aid digestion
  • Blood-building nutrition (iron, B12)
  • Be careful with fatty foods
Biliary / Mixed Constitution

3. Biliary / Mixed Constitution

Hazel, green, or amber iris · The combined type

Appearance

  • Combination of a blue or gray background with brown or orange overlay
  • Often appears green, hazel, or amber overall
  • May show both fiber structure and pigmentation

Inherent Tendencies

  • Liver and gallbladder weakness — often the primary concern
  • Digestive disturbances — gas, bloating, constipation
  • Blood-sugar imbalances
  • Pancreatic sensitivities
  • Combined lymphatic and blood-related tendencies

Traditional Support Recommendations

  • Strong focus on liver support
  • Bile-flow optimization (bitter herbs, lemon water)
  • Blood-sugar regulation
  • Stress management — crucial for this type
Beyond Color

Eye Color Is Just the Beginning

Constitution gives you the broad outline of your iridology profile, but it's only one input. Iridologists also look at fiber density, the collarette (the wreath-shaped border around the pupil), pigment spots, lacunae, and the exact zone of the iris where each marking appears.

Explore the 12 Iris Zones

Every section of the iris is mapped to a different organ system in traditional iridology. Use the interactive chart to see which zone corresponds to which area of the body.

Open the interactive chart →

What Is Iridology?

The full background — where iridology comes from, how the iris is divided into zones, what practitioners look at, and how to think about the science.

Read the guide →

Important Disclaimer

Constitution descriptions are educational summaries from traditional iridology. They are not medical diagnoses, do not predict disease, and should not be used to make health decisions. Eye color in real life depends on genetics, melanin distribution, and lighting — and any health concern needs a qualified medical professional, not an iris reading.

References

Sources & Further Reading

This page is informed by the following published sources. We cite both foundational iridology texts and critical peer-reviewed reviews so you can form your own informed opinion.

Foundational iridology texts

  • Jensen, B. (1982). Iridology: The Science and Practice in the Healing Arts, Vol. II. Bernard Jensen Publishing.

See Your Own Constitution

The IrisInsight iOS app uses AI to identify your constitution type from a photo of your iris and gives you a personalized analysis — your first one is free.

Download on the App Store

For educational and entertainment purposes only. Not a medical diagnostic tool.