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Living with Autosomal dominant myopia-midfacial retrusion-sensorineural hearing loss-rhizomelic dysplasia syndrome

A rare bone condition present from birth with short limbs, a small chest, a flat midface, severe nearsightedness, and hearing loss.

Understanding Autosomal dominant myopia-midfacial retrusion-sensorineural hearing loss-rhizomelic dysplasia syndrome

This rare bone growth condition causes short limbs, a flat midface, severe nearsightedness, and hearing loss from the inner ear.

Upper arms and thighs are especially short, the ends of long bones are wide, and the fingers and toes are short. The small chest can make breathing hard, and some babies need a breathing tube (tracheostomy) and ventilator. Facial features include a prominent forehead, bulging eyes, a short nose, a small lower jaw, and cleft palate. It is seen during pregnancy and in newborns.

Signs & symptoms

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

  • Short arms and legs, especially upper arms and thighs
  • Severe nearsightedness (high myopia)
  • Hearing loss from the inner ear
  • Cleft palate
  • Small lower jaw and flat midface
  • Narrow chest

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 bone and joint specialists, ear, nose, and throat specialists and genetic specialists.

  3. Consider genetic testing

    Changes in COL11A1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Ear, nose, and throat specialists (otolaryngologists); 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 breathing support does my child need?
Which eye and hearing specialists should follow my child?
Would COL11A1 testing help our family?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Dominant
GenesCOL11A1

GARD says changes in the COL11A1 gene cause this condition. It is autosomal dominant, meaning one changed copy of the gene can be enough to cause it.

Genetic

Also known as: autosomal dominant myopia-midfacial retrusion-sensorineural deafness-rhizomelic dysplasia syndrome; autosomal dominant myopia, midfacial retrusion, sensorineural deafness, rhizomelic dysplasia syndrome; autosomal dominant myopia, midfacial retrusion, sensorineural hearing loss, rhizomelic dysplasia syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Autosomal dominant myopia-midfacial retrusion-sensorineural hearing loss-rhizomelic dysplasia syndromeGARD ID 21838 · 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 Autosomal dominant myopia-midfacial retrusion-sensorineural hearing loss-rhizomelic dysplasia syndrome.

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