What are some subtypes for Usher syndrome?
This condition is most often referred to as Usher syndrome. There are three major types of Usher syndrome designated as types I, II, and III. Type I has 7 subtypes designated IA to IG. Usher type II has 3 subtypes designated as types IIA, IIB, and IIC.
SOURCE: Emory University - Department of Human Genetics in collaboration with ThinkGenetic • https://www.thinkgenetic.com/diseases/usher-syndrome/overview/42811 • DATE UPDATED: 2016-07-12