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Living with Spastic paraplegia-glaucoma-intellectual disability syndrome

A rare genetic condition affecting movement, vision and thinking, found in two families.

Understanding Spastic paraplegia-glaucoma-intellectual disability syndrome

Spastic paraplegia-glaucoma-intellectual disability syndrome is a rare genetic condition that affects movement, vision and thinking.

It has been found in two families, and in one of them the parents were related. Symptoms include legs that slowly become stiffer and weaker, high pressure in the eyes (glaucoma) that can lead to vision loss, and intellectual disability. It usually starts in adulthood.

Signs & symptoms

GARD lists these among the most common symptoms:

  • Stiff, weak legs
  • Glaucoma (high eye pressure)
  • Vision loss
  • Intellectual disability

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

    Spastic Paraplegia Foundation 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: Spastic Paraplegia Foundation
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 BrightFocus Foundation 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
How often should eye pressure be checked?
Can genetic testing help find the cause?
What therapies can help with leg stiffness and weakness?

Quick facts

Symptoms usually startAdult
InheritanceAutosomal Recessive

GARD says it is caused by a gene change inherited from each parent (autosomal recessive). It doesn't list the gene.

GeneticNeurological

Patient organizations

Source: NIH GARD · Spastic paraplegia-glaucoma-intellectual disability syndromeGARD ID 4931 · 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 Spastic paraplegia-glaucoma-intellectual disability syndrome.

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