Orpha Number: 98890
This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
| Medical Terms | Other Names | Learn More: HPO ID |
|---|---|---|
| 30%-79% of people have these symptoms | ||
| Central scotoma |
Central blind spot
|
0000603 |
| Color vision defect |
Abnormal color vision
Abnormality of color vision
[ more ]
|
0000551 |
| Optic atrophy | 0000648 | |
| Optic disc pallor | 0000543 | |
| Progressive visual loss |
Progressive loss of vision
Progressive vision loss
Progressive visual impairment
Slowly progressive visual loss
Vision loss, progressive
Visual loss, progressive
[ more ]
|
0000529 |
| Reduced visual acuity |
Decreased clarity of vision
|
0007663 |
| 5%-29% of people have these symptoms | ||
| Asterixis | 0012164 | |
| Babinski sign | 0003487 | |
| Choreoathetosis | 0001266 | |
| Decreased nerve conduction velocity | 0000762 | |
| Dysdiadochokinesis |
Difficulty performing quick and alternating movements
|
0002075 |
| Emotional lability |
Emotional instability
|
0000712 |
| Gait |
Inability to coordinate movements when walking
|
0002066 |
|
Mental deficiency
Mental retardation
Mental retardation, nonspecific
Mental-retardation
[ more ]
|
0001249 | |
| Intention tremor | 0002080 | |
|
Involuntary, rapid, rhythmic eye movements
|
0000639 | |
| Percent of people who have these symptoms is not available through HPO | ||
| Absent Achilles reflex |
Absent ankle reflexes
|
0003438 |
|
Difficulty articulating speech
|
0001260 | |
| Hyperactive patellar reflex |
Overactive knee reflex
|
0007083 |
| Tremor | 0001337 | |
| 0001417 | ||
If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.
If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.
You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.
Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
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