Nature: salty, cold
Enters: Liver, Kidney
Actions: Clears liver heat; subdues the liver and suppresses rising liver yang; promotes vision, dispels superficial visual obstruction.
• Liver yang rising: dizziness, vertigo, headache, hypertension.
• Liver fire: red and swollen eyes, nebulas, blurry vision, optic neuritis, photophobia, pterygium.
• Topical ophthalmic: apply as a very fine powder to eyes.
• If the digestion is poor, use only 15g.
• Decoct for about one hour longer than other herbs.