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Living with Congenital fibrosis of extraocular muscles

A condition present from birth that limits movement of the eye muscles, often with drooping eyelids and eyes that look in different directions.

Understanding Congenital fibrosis of extraocular muscles

Congenital fibrosis of the extraocular muscles (CFEOM) is a nervous system condition that affects the muscles that move the eyes.

People cannot move their eyes normally. Most have trouble looking upward, and side-to-side movement may also be limited. Most have droopy eyelids and may tilt their head to track objects. There are several forms. CFEOM1 and CFEOM2 involve only the eyes, while CFEOM3 can include other nervous system problems such as intellectual disability or delayed puberty.

Signs & symptoms

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

  • Limited eye movement, especially looking up
  • Drooping upper eyelids (ptosis)
  • Eyes looking in different directions (strabismus)
  • Chin lifted or head turned to see
  • Lazy eye (amblyopia)
  • Small pupils

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 brain and nervous system specialists, 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
Brain and nervous system specialists (neurologists); 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
Which form of CFEOM do I or my child have?
Would genetic testing help our family?
When should surgery for eyelids or eye alignment be considered?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Dominant, Autosomal Recessive

GARD says changes in genes cause this condition. There are several forms, and it can be autosomal dominant or autosomal recessive.

GeneticNeurological

Also known as: cfeom; congenital fibrosis of the extraocular muscles; congenital fibrosis syndrome; congenital ophthalmoplegia; feom; fibrosis of extraocular muscles, congenital

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Congenital fibrosis of extraocular musclesGARD ID 12590 · 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 Congenital fibrosis of extraocular muscles.

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