Figure 1. Pedigrees of two families with Schnyder crystalline corneal dystrophy

Pedigrees of Schnyder crystalline corneal dystrophy Family 1 (A) and Family 2 (B) showing multiple affected members in consecutive generations. The black symbols represent individuals who were examined and found to be affected, gray symbols represent individuals considered affected based on history, and unfilled symbols represent unaffected individuals based on examination or history. The proband is identified with an arrowhead; family members who were examined and in whom DNA analysis was performed are identified with an asterisk. Individuals with an unknown affected status are identified with question marks.