The most frequent disorder affecting hearing, vision, and occasionally balance is called Usher syndrome. It is characterized mainly by deafness or hearing loss and retinitis pigmentosa.
Usher syndrome affects between 4 and 17 out of every 100,000 people. It is responsible for about half of all cases of inherited deaf-blindness. Three to six percent of deaf children and another three to six percent of children with hearing loss are found to have the syndrome.
Usher syndrome is a genetic disorder. An individual inherits it from his parents' mutant (altered) DNA.
There are three types of Usher syndrome, classified according to symptoms presentation in terms of hearing, vision, and balance.
Diagnosis of Usher syndrome is made through:
Unfortunately, there is no cure for Usher syndrome at present, although there are several options for managing it. Treatments are geared toward enhancing patients' communicative and functional abilities. Some possible treatments are:
Because Usher syndrome is inherited, there is no way to prevent it. However, by taking a genetic test, it is possible to identify if a person carries the gene.
National Institute on Deafness and Other Communication Disorders (2022). Usher Syndrome. Retrieved December 26, 2022, from https://www.nidcd.nih.gov/health/usher-syndrome
Cleveland Clinic (2022). Usher Syndrome. Retrieved December 26, 2022, from https://my.clevelandclinic.org/health/diseases/15046-usher-syndrome