Whether American ginseng and dendrobium are helpful for glaucoma should be recognized and treated. In general, American ginseng is not used to treat eye diseases. Dendrobium can be used to treat darkness of the eyes and blurred vision caused by yin deficiency of the liver and kidney (deficiency of yin fluid in the liver and kidney). 1. American ginseng is sweet, slightly bitter and cool in nature. It belongs to heart, lung and kidney meridians. It has the effects of tonifying qi and nourishing yin, clearing heat and generating body fluid. It is clinically used for treating symptoms such as fatigue (mental exhaustion and physical weakness), thirst and heartburn, coughing with phlegm and blood, dry mouth and throat, asthma, short and reddish urination, and dry stools due to profuse sweating, diarrhea and blood loss. Radix et Rhizoma Ginseng should not be used together with Veratrum. Where the deficiency of yang, cold and damp obstruction and gas depression and fire, all the real evidence, fire and depression of the evidence are contraindicated. 2. Dendrobium, sweet taste, slightly cold nature. It belongs to stomach and kidney meridian. It has the effects of benefiting the stomach and generating fluids (nourishing the stomach by replenishing the fluids in the stomach), nourishing yin and clearing heat (nourishing the yin essence and clearing heat). It is clinically used in the treatment of darkness and uncertainty of the eyes, deficiency of stomach yin (insufficient yin fluid in the stomach), dryness and vomiting with scanty food, non-resolving of deficiency heat after illness, impotence and weakness of muscles and bones, injury of fluid in heat diseases, dry mouth and thirst. The adverse reactions of the above two medicines are not clear. However, Dendrobium should not be taken in the early stage of warm-heat disease, and Dendrobium should not be taken by those whose dampness and warm-heat have not yet been transformed into dryness and injury to the body fluids. When using American ginseng and dendrobium to treat diseases, it should be taken under the guidance of a doctor, not self-medication.