Methods: Five exons of RHO gene in probands of four adRP Chinese families were amplified by PCR, and the products were directly sequenced.

• 方法：通过聚合酶链反应(PCR)对4个显性视网膜色素变性家系先证者视紫红质基因的5个外显子进行扩增，扩增产物进行直接测序。