There are currently three identifiable types of Usher syndrome: Usher syndrome Type 1, Usher syndrome Type II and Usher syndrome Type III. An individual with Usher Type I has a profound hearing loss ...

It is a leading cause of combined deafness and blindness. The condition is classified into three types: Usher syndrome type 1, type 2, and type 3, each with different characteristics and severity.

There, Britney is diagnosed with Type 2 Usher Syndrome, and Whitney and Zack are horrified to hear that the illness will eventually cause blindness, as well as her hearing loss. But what exactly ...