OBJECTIVE To observe the effect of Yiqi Mingmu pill on hemodynamics for patients with retinitis pigmentosa(RP).METHODS The prospective randomized control study was applied to observe 70RP patients(140eyes)admitted in the First Hospital of Hunan University of Chinese Medicine and Changsha Hospital of Traditional Chinese Medicine,who were randomly divided into the control group(35cases)and the treatment group(35cases),given vitamin E and Yiqi Mingmu pill oral liquid for three months res.The effect analysis was estimated from electroretinogram (ERG),peak systolic velocity(PSV)of short posterior c...