A novel CRX mutation by whole-exome sequencing in an autosomal dominant cone-rod dystrophy pedigree oleh Qin-Kang Lu, Na Zhao, Ya-Su Lv, Wei-Kun Gong, Hui-Yun Wang, Qi-Hu Tong, Xiao-Ming Lai, Rong-Rong Liu, Ming-Yan Fang, Jian-Guo Zhang, Zhen-Fang Du, Xian-Ning Zhang