raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:886

Usher syndrome

Synonyms: Retinitis pigmentosa-deafness syndrome · Retinitis pigmentosa-hearing loss syndrome · USH

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy, Neonatal
Status
active

A rare ciliopathy characterized by congenital or childhood onset sensorineural hearing loss (HL) and retinitis pigmentosa (RP) that occurs in a second step with a night blindness and a progressive vision loss and, in some cases, vestibular dysfunction.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enUsher syndromeRetinitis pigmentosa-deafness syndrome · Retinitis pigmentosa-hearing loss syndrome · USH
frSyndrome d'UsherSyndrome de rétinite pigmentaire-surdité · USH
deUsher-SyndromRetinitis pigmentosa - Taubheit · USH
esSíndrome de UsherSíndrome de retinosis pigmentaria-hipoacusia · Síndrome de retinosis pigmentaria-sordera · USH
itSindrome di UsherRetinite pigmentosa - sordità · USH
nlSyndroom van UsherRetinitis pigmentosa - doofheid-syndroom · Retinitis pigmentosa - gehoorverlies-syndroom · USH
ptSíndrome UsherSíndrome de retinite pigmentosa-surdez
plZespół UsheraUSH · Zwyrodnienie barwnikowe siatkówki - głuchota
csUsherův syndromSyndrom zahrnující retinitis pigmentosa a hluchotu · USH
ukСиндром Ушера (Ашера)Синдром пігментної дегенерації сітківки - глухота · Синдром пігментного ретиніту - втрати слуху · USH
zhUsher综合征色素性视网膜炎-听力丧失综合征
trUsher sendromuUSH · Retinitis pigmentosa-sağırlık sendromu · Retinitis pigmentosa-işitme kaybı sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM276900BTNTvalidated
OMIM276901BTNTvalidated
OMIM276902BTNTvalidated
OMIM276904BTNTvalidated
OMIM500004BTNTvalidated
OMIM601067BTNTvalidated
OMIM602083BTNTvalidated
OMIM602097BTNTvalidated
OMIM605472BTNTvalidated
OMIM606943BTNTvalidated
OMIM611383BTNTvalidated
OMIM612632BTNTvalidated
OMIM614504BTNTvalidated
OMIM614990BTNTvalidated
ICD-10H35.5NTBTattributedvalidated
ICD-11LD2H.4Especificvalidated
MONDO0019501Evalidated
MeSHD052245Evalidated
UMLSC0271097Evalidated
GARD7843Evalidated
MedDRA10063396Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

Children (3):

4

Genes

0 direct · 19 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CDH23ORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:13733ENSG0000010773660551610q22.1cadherin related 2320301442[PMID]
MYO7AORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:7606ENSG0000013747427690311q13.5myosin VIIA20301442[PMID]
PCDH15ORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:14674ENSG0000015027560551410q21.1protocadherin related 1520301442[PMID]
USH1CORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:12597ENSG0000000661160524211p15.1USH1 protein network component harmonin20301442[PMID]
USH1GORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:16356ENSG0000018204060769617q25.1USH1 protein network component sans20301442[PMID]
ADGRV1ORPHA:231178Usher syndrome type 2Disease-causing germline mutation(s) inAssessedHGNC:17416ENSG000001641996028515q14.3adhesion G protein-coupled receptor V120301515[PMID]
ARSGORPHA:231183Usher syndrome type 3Disease-causing germline mutation(s) inAssessedHGNC:24102ENSG0000014133761000817q24.2arylsulfatase G29300381[PMID]
CEP78ORPHA:231183Usher syndrome type 3Disease-causing germline mutation(s) inAssessedHGNC:25740ENSG000001480196171109q21.2centrosomal protein 7827627988[PMID]
CLRN1ORPHA:231183Usher syndrome type 3Disease-causing germline mutation(s) inAssessedHGNC:12605ENSG000001636466063973q25.1clarin 119753315[PMID]
ESPNORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) inAssessedHGNC:13281ENSG000001870176063511p36.31espin29572253[PMID]
HARS1ORPHA:231183Usher syndrome type 3Disease-causing germline mutation(s) inAssessedHGNC:4816ENSG000001704451428105q31.3histidyl-tRNA synthetase 122279524[PMID]
MT-TS2ORPHA:231183Usher syndrome type 3Disease-causing germline mutation(s) inNot yet assessedHGNC:7498ENSG00000210184590085mitochondriamitochondrially encoded tRNA-Ser (AGU/C) 2
MYO7AORPHA:231178Usher syndrome type 2Disease-causing germline mutation(s) inAssessedHGNC:7606ENSG0000013747427690311q13.5myosin VIIA24831256[PMID]
USH1EORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) inAssessedHGNC:1259921q21Usher syndrome 1E (autosomal recessive, severe)20301442[PMID]
USH1HORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) inAssessedHGNC:2243315q22-q23Usher syndrome 1H (autosomal recessive)20301442[PMID]
USH1KORPHA:231169Usher syndrome type 1Disease-causing germline mutation(s) inAssessedHGNC:4372410p11.21-q21.1Usher syndrome 1K (autosomal recessive)20301442[PMID]
USH2AORPHA:231178Usher syndrome type 2Disease-causing germline mutation(s) inAssessedHGNC:12601ENSG000000427816084001q41usherin20301515[PMID]
WHRNORPHA:231178Usher syndrome type 2Disease-causing germline mutation(s) inAssessedHGNC:16361ENSG000000953976079289q32whirlin20301515[PMID]
PDZD7ORPHA:231178Usher syndrome type 2Modifying germline mutation inAssessedHGNC:26257ENSG0000018686261297110q24.31PDZ domain containing 720440071[PMID]
5

Prevalence and incidence

10 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 000—WorldwideClass onlyValidated15178965[PMID]_ORPHANET
Point prevalence1-9 / 100 0005 / 100 000DenmarkValue and classValidated9212179[PMID]
Point prevalence1-9 / 100 0006.2 / 100 000GermanyValue and classValidated12107518[PMID]
Point prevalence1-9 / 100 0006.2 / 100 000United KingdomValue and classValidated9135408[PMID]
Point prevalence1-9 / 100 0003.6 / 100 000NorwayValue and classValidated3594933[PMID]
Point prevalence1-9 / 100 0004.2 / 100 000SpainValue and classValidated15178965[PMID]
Point prevalence1-9 / 100 0003.5 / 100 000FinlandValue and classValidated5516287[PMID]
Point prevalence1-9 / 100 0004.4 / 100 000United StatesValue and classValidated6885960[PMID]
Point prevalence1-9 / 100 0003.2 / 100 000ColombiaValue and classValidated1756603[PMID]
Point prevalence1-9 / 100 0003 / 100 000Specific populationValue and classValidated14569126[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

37 annotations · validated 2024-06-03
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000512Abnormal electroretinogram
HP:0001751Abnormal vestibular function
HP:0007703Abnormality of retinal pigmentation
HP:0000618Blindness
HP:0000662Nyctalopia
HP:0000529Progressive visual loss
HP:0000407Sensorineural hearing impairment
HP:0008568Vestibular areflexia
HP:0001123Visual field defect
HP:0000505Visual impairment
Frequent (79-30%)
HP:0001251Ataxia
HP:0000518Cataract
HP:0008499High hypermetropia
HP:0000545Myopia
Occasional (29-5%)
HP:0011025Abnormality of cardiovascular system physiology
HP:0011073Abnormality of dental color
HP:0000682Abnormality of dental enamel
HP:0000739Anxiety
HP:0007360Aplasia/Hypoplasia of the cerebellum
HP:0000483Astigmatism
HP:0000670Carious teeth
HP:0002120Cerebral cortical atrophy
HP:0002312Clumsiness
HP:0031936Delayed ability to walk
HP:0002194Delayed gross motor development
HP:0000716Depression
HP:0003457EMG abnormality
HP:0008947Floppy infant
HP:0000738Hallucinations
HP:0010780Hyperacusis
HP:0001639Hypertrophic cardiomyopathy
HP:0000691Microdontia
HP:0003198Myopathy
HP:0000639Nystagmus
HP:0007994Peripheral visual field loss
HP:0000709Psychosis
HP:0000360Tinnitus

Run the differential on the 10 obligate / very frequent terms

Annotation source: 35076463[PMID]_20301515[PMID]_20301442[PMID]

7

Sources for this card