Overview
Spinocerebellar degeneration-corneal dystrophy syndrome is an extremely rare genetic condition that affects both the nervous system and the eyes. The name describes its two main features: spinocerebellar degeneration, which means the gradual breakdown of parts of the brain (especially the cerebellum and spinal cord pathways) that control movement and coordination, and corneal dystrophy, which refers to clouding or abnormal changes in the clear front surface of the eye (the cornea). Patients typically experience progressive problems with balance and coordination (called ataxia), difficulty walking, unsteady movements, and speech problems. At the same time, the cornea of the eye becomes cloudy, which can lead to vision problems. This combination of neurological decline and eye disease occurring together in the same individual or family is what distinguishes this syndrome from other forms of ataxia or corneal dystrophy alone. Because this condition is so rare, with very few cases described in the medical literature, our understanding of its full range of symptoms, natural history, and best treatments remains limited. There is currently no cure, and treatment focuses on managing symptoms. Physical therapy can help maintain mobility, while eye specialists can monitor and sometimes treat the corneal changes. Genetic counseling is recommended for affected families.
Also known as:
Key symptoms:
Progressive difficulty with balance and coordination (ataxia)Unsteady walking or gait problemsClouding of the cornea (front of the eye)Vision problems or blurred visionSlurred or slow speechInvoluntary eye movements (nystagmus)Muscle stiffness or spasticityTremor or shaking of the handsDifficulty with fine motor tasks like writing or buttoning clothesProgressive muscle weaknessLoss of sensation in the hands or feet
Clinical phenotype terms (9)— hover any for plain English
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Variable
Can begin at different ages, from infancy through adulthood
Treatments
No FDA-approved treatments are currently listed for Spinocerebellar degeneration-corneal dystrophy syndrome.
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Specialists
View all specialists →No specialists are currently listed for Spinocerebellar degeneration-corneal dystrophy syndrome.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Spinocerebellar degeneration-corneal dystrophy syndrome.
Community
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.What is the expected rate of progression for my specific case?,How often should I have neurological and eye examinations?,Are there any genetic tests that could help identify the exact cause in my family?,What therapies or exercises can help me maintain my mobility and independence?,Should my family members be tested or screened for this condition?,Are there any clinical trials or research studies I could participate in?,When should I consider assistive devices or corneal surgery?
Common questions about Spinocerebellar degeneration-corneal dystrophy syndrome
What is Spinocerebellar degeneration-corneal dystrophy syndrome?
Spinocerebellar degeneration-corneal dystrophy syndrome is an extremely rare genetic condition that affects both the nervous system and the eyes. The name describes its two main features: spinocerebellar degeneration, which means the gradual breakdown of parts of the brain (especially the cerebellum and spinal cord pathways) that control movement and coordination, and corneal dystrophy, which refers to clouding or abnormal changes in the clear front surface of the eye (the cornea). Patients typically experience progressive problems with balance and coordination (called ataxia), difficulty walk
How is Spinocerebellar degeneration-corneal dystrophy syndrome inherited?
Spinocerebellar degeneration-corneal dystrophy syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.