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GTR Home > Conditions/Phenotypes > Usher syndrome type 2C

Summary

Excerpted from the GeneReview: Usher Syndrome Type II
Usher syndrome type II (USH2) is characterized by the following: Congenital, bilateral sensorineural hearing loss that is mild to moderate in the low frequencies and severe to profound in the higher frequencies. Intact or variable vestibular responses. Retinitis pigmentosa (RP); progressive, bilateral, symmetric retinal degeneration that begins with night blindness and constricted visual fields (tunnel vision) and eventually includes decreased central visual acuity; the rate and degree of vision loss vary within and among families.

Genes See tests for all associated and related genes

  • Also known as: FEB4, GPR98, MASS1, USH2B, USH2C, VLGR1, VLGR1b, ADGRV1
    Summary: adhesion G protein-coupled receptor V1

  • Also known as: DFNB57, PDZK7, PDZD7
    Summary: PDZ domain containing 7

Clinical features

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