Dihuang Pill for Bright Eyes is composed of Radix Rehmanniae Praeparata, Cornu Cervi Pantotrichum, Cornu Cervi Pantotrichum, Poria, Zedoariae, Mudan Pi, Fructus Lycii, Flos Chrysanthemi, Radix Angelicae Sinensis, Paeoniae Alba, Tribulus Terrestris, and Semen Cassia. In the formula, the formula uses ripened huangdi, which nourishes the yin of the kidneys and nourishes the essence to fill the marrow, as the principal medicine; cornelian cherry meat, which nourishes the liver and kidneys; wolfberry, which nourishes yin and replenishes blood and nourishes the essence to brighten the eyes (nourishes the essence to promote the restoration of eyesight); yam, which replenishes the spleen and nourishes the stomach and nourishes yin to promote the production of essence; angelica sinensis, which replenishes the blood to activate the blood and laxative to the intestines; and white peony, which nourishes the blood to astringe yin and suppresses liver yang, as the ministerial medicines. Poria, which promotes water circulation and dispels dampness, strengthens the spleen and calms the heart, Zedoaria, which drains heat and promotes diuresis, Mudanpi, which clears heat and cools the blood, promotes blood circulation and disperses blood stasis, Chrysanthemum, which clears the liver and brightens the eyes, Tribulus terrestris, which calms the liver and brightens the eyes, and Cassia, which clears the liver and brightens the eyes, are used as the adjuvant herbs. The combination of these herbs can nourish the kidney, nourish the liver, benefit the essence and brighten the eyes. It is used for treating deficiency of yin in the liver and kidney (deficiency of yin fluid in the liver and kidney), shimmering and tearing, blurred vision, and other eye problems. If you need to use this medicine, you should consult a traditional Chinese medicine practitioner to identify the symptoms and follow the doctor’s instructions.