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Usher syndrome type 2

Disease definition

A rare ciliopathy characterized by congenital moderate-to-severe deafness, retinitis pigmentosa developing in the first or second decade, and normal vestibular function. Congenital bilateral sensorineural hearing loss is mild to moderate in the low frequencies and severe to profound in the higher frequencies. Additional manifestations include night blindness, constricted visual field (tunnel vision), and later on decreased visual acuity sometimes ending with bare light perception.

ORPHA:231178

Classification level: Subtype of disorder
  • Synonym(s):
    • USH2
  • Prevalence: 1-9 / 100 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Infancy, Neonatal
  • ICD-10: H35.5
  • ICD-11: LD2H.4
  • OMIM: 276901  605472  611383
  • UMLS: C0339534
  • MeSH: -
  • GARD: 5440
  • MedDRA: -

  A summary on this disease is available in Deutsch (2020) Español (2020) Français (2020) Nederlands (2020)

Detailed information

General public

Guidelines

Disease review articles

Disability

Genetic Testing

ERN produced/endorsed by ERN(s)   FSMR produced/endorsed by FSMR(s)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.