Figure 1 of Liu, Mol Vis 2008; 14:1234-1239.

Figure 1. The family hereditary patterns of three Chinese pedigrees. The pedigrees show autosomal dominant transmission of the disease. The arrows indicate the probands, the asterisks indicate subjects who underwent clinical and molecular analyses, black symbols represent affected subjects, and gray symbols represent young subjects who carry the same mutation but still remain asymptomatic.