Usher syndrome causes degeneration of hearing, vision degeneration, and vestibular dysfunction. Usher syndrome is hereditary and its manifestation requires a copy of the usher syndrome gene from each parent. This means that if only one parent has the gene but the other doesn’t, the child becomes a carrier with 50 percent probability but does not manifest with symptoms of the disease. The symptoms include loss of hearing, loss of balance, and retinis pigmentosa which causes night blindness and inability for side vision which further progresses to tunnel vision (US Department of Health and Human Services, 2008). There are different types of the usher syndrome gene and parents must have similar types for their children to manifest with usher syndrome (Florida Department of Education, 2012). Early detection is very important for the administration of appropriate interventions while vision is still at normal levels. It presents in three different types with varying symptoms.
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