![]() Those with Usher syndrome type 2 do not have a dysfunctional vestibular system. In Usher syndrome type 2, the severity of hearing loss from birth can range from very mild to severe.Usher syndrome type 2 can be grouped into 3 subtypes, 2A, 2C and 2D. ![]() The severity and onset of RP varies between individuals but commonly develops before the age of 10. Vision problems are initially characterised by night blindness or tunnel vision but this also varies between individuals. ![]()
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