Dendrobium Luminous Pill has the efficacy of nourishing yin and tonifying the kidney, clearing the liver and brightening the eyes. It is suitable for cataract, glaucoma, vitreous clouding, retinitis pigmentosa, macular degeneration, choroidal retinitis, optic neuritis, optic nerve atrophy, etc., with deficiency of the liver and kidney, deficiency of yin and exuberance of fire, darkness of the eyes with internal obstruction, and dimming of the vision. The use of this product is prohibited for those who are allergic. Modern pharmacological research shows that it has the effect of improving microcirculation, regulating immunity and anti-fatigue. There are also antipyretic and anti-inflammatory, analgesic, antibacterial, detoxification, lowering blood pressure and other effects.