Figure 1. Pedigree of the three Chinese families with Usher syndrome type II who had mutations in USH2A. Males and females are represented by squares and circles, respectively. The symbols for affected family member are filled. The symbols for deceased family members have a slash. The symbols for proband have an arrow. The genotype of each evaluated individual is shown below the individuals’ symbol and identification number. Abbreviations: Wild type (+); c.8559-2A>G (M1); p.T3936P (M2); p.R34fs (M3); p.S2828fs (M4); p.W3150X (M5).