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Living with Microtia-eye coloboma-imperforation of the nasolacrimal duct syndrome

A rare inherited syndrome with small ears, a gap in the eye tissue, and a blocked tear duct.

Understanding Microtia-eye coloboma-imperforation of the nasolacrimal duct syndrome

Microtia-eye coloboma-imperforation of the nasolacrimal duct syndrome is a rare inherited syndrome that combines small ears, an eye gap, and a blocked tear duct.

GARD describes this syndrome as the combination of small ears (microtia), a gap in the eye tissue (coloboma), and a tear duct that did not open. It is autosomal dominant.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Small ears (microtia)
  • Gap in the colored part of the eye (iris coloboma)
  • Blocked tear duct
  • Sensitivity of the eyes to light

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

    Specialists who may be involved include eye disease specialists and genetic specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Eye disease specialists (ophthalmologists); Genetic specialists (geneticists)
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
What can be done about the blocked tear duct?
How should the eye coloboma be monitored?
Is genetic testing available, and could other family members be affected?

Quick facts

InheritanceAutosomal Dominant

Changes in genes (also called variants) cause this syndrome. It is autosomal dominant, which means a changed copy of the gene from one parent can be enough to cause it.

Genetic

Also known as: balikova-vermeesch syndrome; microtia with nasolacrimal duct imperforation and eye coloboma

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Microtia-eye coloboma-imperforation of the nasolacrimal duct syndromeGARD ID 10300 · 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 Microtia-eye coloboma-imperforation of the nasolacrimal duct syndrome.

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