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Living with Isolated anophthalmia-microphthalmia syndrome

A group of eye development conditions present at birth with missing or very small eyes or a gap in the eye, without other body problems.

Understanding Isolated anophthalmia-microphthalmia syndrome

Isolated anophthalmia-microphthalmia syndrome is a group of eye development differences that happen without problems in other body systems.

It can include very small eyes (microphthalmia), a gap in part of the eye (coloboma), or a missing eye (anophthalmia), in one or both eyes. There are no other eye conditions in the affected or other eye and no problems in other body systems. It starts during pregnancy and is seen at birth.

Signs & symptoms

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

  • Very small eye (microphthalmia)
  • Gap in part of the eye (coloboma)
  • Missing eye (anophthalmia)

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
Can genetic testing tell us which gene is involved?
What is the chance that another child will have this?
Which specialists should be part of my child's care?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Dominant, Autosomal Recessive, X-Linked

GARD says changes in genes cause this condition. It can be inherited in autosomal dominant, autosomal recessive, or X-linked ways.

Genetic

Also known as: isolated microphthalmia-anophthalmia-coloboma; mac spectrum; microphthalmia-anophthalmia-coloboma spectrum; nonsyndromic anophthalmia-microphthalmia syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Isolated anophthalmia-microphthalmia syndromeGARD ID 12085 · 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

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