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Living with Infantile-onset axonal motor and sensory neuropathy-optic atrophy-neurodegenerative syndrome

A rare nervous system disease starting in infancy with nerve damage, vision loss, seizures, and feeding trouble.

Understanding Infantile-onset axonal motor and sensory neuropathy-optic atrophy-neurodegenerative syndrome

Infantile-onset axonal motor and sensory neuropathy-optic atrophy-neurodegenerative syndrome is a rare neurologic disease that begins in infancy.

It includes nerve damage affecting movement and feeling, vision loss from the optic nerve, thinking difficulties, swallowing and speech problems, seizures, and early low muscle tone with feeding trouble. Brain scans show varying shrinkage.

Signs & symptoms

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

  • Low muscle tone in infancy (floppy infant)
  • No speech
  • Acid reflux
  • Muscle tightness (dystonia)
  • Foot joint contractures
  • Brain shrinkage (cerebral atrophy)

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.

  4. Connect with expert centers

    The Foundation for Peripheral Neuropathy may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists)
Expert care
Expert lists: The Foundation for Peripheral Neuropathy
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 The Foundation for Peripheral Neuropathy and other patient organizations
  • 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 tests confirm the nerve and brain changes?
What can help with feeding and swallowing?
Is genetic counseling available for our family?

Quick facts

Symptoms usually startInfant
InheritanceAutosomal Recessive

GARD says it is inherited in an autosomal recessive pattern, meaning a child inherits a changed copy of the gene from each parent. It doesn't name a gene.

GeneticNeurological

Also known as: anoac; anoac (axonal neuropathy, optic atrophy, cognitive deficit) syndrome; axonal neuropathy-optic atrophy-cognitive deficit syndrome; axonal neuropathy, optic atrophy, cognitive deficit syndrome; infantile-onset axonal motor and sensory neuropathy, optic atrophy, neurodegenerative syndrome

Patient organizations

Source: NIH GARD · Infantile-onset axonal motor and sensory neuropathy-optic atrophy-neurodegenerative syndromeGARD ID 21904 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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