Figure 1. Pedigree of the two familys and fundus photography of an affected case and a normal subject.

(A) Pedigree of the four-generation Chinese family with RP: Squares represent males, and circles represent females. Solid symbols indicate affected individuals, while open symbols indicate unaffected individuals. Slash indicates the deceased. (B) Fundus photography of an affected case: attenuation of retinal vascular, bone-spicule pigmentation, Chorioretinal degeneration with peripapillary atrophy, waxy-pale discs, and enlarged optic cups; (C) Normal fundus; (D) Pedigree of the second independent family.