Overview
By MedlinePlus, National Library of Medicine
NIH: National Eye Institute Courtesy of the National Library of Medicine. Source: MedlinePlus.gov, National Library of Medicine. Not a substitute for medical advice.
Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Abnormal ERG
Very frequent (80-99%)HP:0000512
Blind spot
Very frequent (80-99%)HP:0000575
Inner ear abnormality
Very frequent (80-99%)HP:0000359
Iris hypopigmentation
Very frequent (80-99%)HP:0007730
Rod-cone dystrophy
Very frequent (80-99%)HP:0000510
Sensorineural deafness
Very frequent (80-99%)HP:0000407
Visual loss
Very frequent (80-99%)HP:0000572
Cataract
Frequent (30-79%)HP:0000518
Constriction of peripheral visual field
Frequent (30-79%)HP:0001133
Decreased visual acuity
Frequent (30-79%)HP:0007663
Difficulties with night vision
Frequent (30-79%)HP:0000662
Kalnienk vision
Frequent (30-79%)HP:0007994
Near sighted
Frequent (30-79%)HP:0000545
Tiredness
Frequent (30-79%)HP:0012378
Trouble sleeping
Frequent (30-79%)HP:0002360
Abnormal colour vision
Occasional (5-29%)HP:0000551
Abnormal contrast sensitivity
Occasional (5-29%)HP:0032036
Abnormality of balance
Occasional (5-29%)HP:0002141
Depressive episode
Occasional (5-29%)HP:0000716
Excessive, persistent worry and fear
Occasional (5-29%)HP:0000739
Interictal vestibular dysfunction
Very rare (1-4%)HP:0001751
Related Conditions
Quick Facts
- SNOMED CT
- 232058008
- UMLS CUI
- C0339534
- Fully Specified Name
- Usher syndrome type 2 (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 21
Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.
Clinical content is derived from the SNOMED CT clinical ontology and curated medical knowledge graphs.