Rao et al. (2017) screened six known disease‐causing genes (LRP5, KIF11, NDP, ZNF408, FZD4, TSPAN12) in 31 pedigrees with FEVR and depicted the mutation spectrum in Chinese (Rao et al., 2017). The gene discussed is FZD4; the disease is Familial exudative vitreoretinopathy.