Two other genes associated with Usher syndrome are also involved in the autosomal recessive retinitis pigmentosa (arRP): USH2A of the clinical USH2 syndrome and CLRN1, the one gene of the clinical USH3 syndrome. The two genes are listed with aliases in parentheses, full names and links to gene report pages:
Ush2a (RP39, Usher syndrome 2A (autosomal recessive, mild)) – usherin
Clrn1 (RP61, USH3) – clarin 1





















