Usher syndrome, type 1B
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retinitis pigmentosa. Three major types of Usher syndrome have been described - types I, II, and III. The different types are distinguished by their severity and the age when signs and symptoms appear. All three types are inherited in an autosomal recessive manner, which means both copies of the disease-causing gene in each cell have mutations.Usher syndrome is a genetic condition characterized by hearing loss or deafness, and progressive vision loss due to
Last updated: 3/3/2014
- Usher syndrome. Genetics Home Reference (GHR). February 2007; http://ghr.nlm.nih.gov/condition/usher-syndrome. Accessed 9/20/2011.
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- The National Institutes of Health (NIH) has developed an information page on Usher syndrome. To view this information, click on the link above.
- Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine.
- PubMed is a searchable database of medical literature and lists journal articles that discuss Usher syndrome, type 1B. Click on the link to view a sample search on this topic.