Objective To explore the antioxidation and vasodilator effect of Ziyingmingmu Pill(ZYMMP).Methods 100 16-month-old mice which were composed of male and female in equal were divided at random into Distilled water group?ZYMMP high?middle?low dose group and Qijudihuang PILL group. After the ated for one month, the eyes were enucleated and homogenized. Using supernatant, we measured the content of SOD?CAT?MDA and NO. Meantime, we measured the cont ent of ET using orbital vein blood which was centrifuged. Results ZYMMP can emi nently increase the contents of SOD?and CAT in ocular tissue, and decrea...