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Living with Retinohepatoendocrinologic syndrome

A very rare condition with total color blindness, liver disease, and hormone problems such as low thyroid and diabetes.

Understanding Retinohepatoendocrinologic syndrome

Retinohepatoendocrinologic syndrome is a very rare condition that affects the eyes, liver, and hormone system.

It includes total colorblindness from slowly worsening damage to cone cells, liver disease, and hormone problems such as low thyroid function, diabetes, and repeated miscarriages or infertility. It has been described in six females from two related families and in one male from another family.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes these:

  • Total colorblindness
  • Slowly worsening cone cell damage
  • Degenerative liver disease
  • Low thyroid function (hypothyroidism)
  • Diabetes
  • Repeated miscarriages or infertility

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Is genetic testing available for this condition?
How should liver and hormone health be monitored?
Which specialists should be on my care team?

Quick facts

GARD doesn't describe a cause for this condition yet. Its summary notes that families had a high degree of consanguinity (parents related to each other).

Also known as: rhe (retinohepatoendocrinologic) syndrome; rhe syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Retinohepatoendocrinologic syndromeGARD ID 4685 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Retinohepatoendocrinologic syndrome.

Explore the Retinohepatoendocrinologic syndrome blog

Explore research for Retinohepatoendocrinologic syndrome

Explore actively recruiting Retinohepatoendocrinologic syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Retinohepatoendocrinologic syndrome with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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