3. Conjunctival congestion with dryness, pain and discrimination due to the excess type of heat or wind- heat in the liver channel. The herb is often used with chrysanthemum flower and cassia seed. For blurred vision due to deficiency of the liver-yin, it can be used with black sesame seed to prepare honeyed boluses for long-term administration, as in Bolus of Mulberry Leaf and Sesame Seed (Sang Ma Wan).
Dosage and administration: 5-10 g, decocted in water for an oral dose or made into the forms of bolus and powder.