The *Zhubing Yuanhou Lun* (Treatise on the Pathogenesis and Manifestations of All Diseases) states: The eyes are the external manifestation of the Liver. If wind-pathogens injure the Liver, and Liver Qi is deficient, tears will flow from the eyes.

The *Yan Lun* (Treatise on Eyes) states: If the eyes are red, itchy, and tearing, it is named "Wind Eye" (Feng Yan).

The *Zhi Yan Fang* (Prescriptions for Treating Eyes) provides a milk decoction for treating cold-wind in the eyes, presenting with redness, pain, and tearing:
Milk (1 sheng), Huanglian (Coptidis Rhizoma) (3 fen), Ganjiang (Dried Ginger) (1 fen), Ruiren (Prunus Persica Seed / Amygdalus Communis Seed) (2 fen).
These four ingredients are soaked in milk overnight. At dawn, they are decocted over a mild fire to obtain 3 he. The liquid is instilled into the eyes drop by drop, like millet grains.

It also prescribes a powder for treating wind-induced tearing, itching, and pain in the eyes:
Juemingzi (Cassiae Semen) (1 fen), Huanglian (Coptidis Rhizoma) (1 fen), Xixin (Asari Radix et Rhizoma) (1 fen), Ganjiang (Dried Ginger) (1 fen).
These four ingredients are pulverized and sifted. A quantity the size of a hemp seed is taken with fingernails and instilled into the eyes. This may be repeated two or three times daily.

It further states: A prescription for treating tearing caused by wind-stroke:
Take a three-year-old male rooster, cut its comb with a knife to collect blood. Apply it in the morning once, and again before sleep at night. It yields excellent results.

The *Ge Shi Fang* (Prescriptions of Ge) provides a formula for continuous tearing from the eyes:
Huanglian (Coptidis Rhizoma) (4 liang).
Decoct in 2 sheng of water to obtain 1 sheng of liquid. Soak half a liang of cotton wool in the liquid, remove it, and dry it in the sun; then re-soak it until all the liquid is absorbed. Use this constantly to wipe the eyes.

It also states: For wind-eyes that commonly suffer from itching and tearing:
Instill salt into the eyes.

Another prescription: Powder the Huanglian (Coptidis Rhizoma) and mix with milk to apply to the eyes.

Yet another prescription: Decoct the root of Huzhang (Polygoni Cuspidati Rhizoma et Radix) and use the juice to wash the eyes.

The *Fan Wang Fang* (Prescriptions of Fan Wang) treats continuous tearing from the eyes:
Burn horse manure, grind it into a fine powder, sieve it through silk gauze, and apply a small amount to the eyes.

The *Shi Jing* (Food Classic) states: For uncontrollable tearing and nasal discharge:
Steam and eat Baihe (Lilii Bulbus). This stops the tearing and nasal discharge.

The *Liao Yan Fang* (Prescriptions for Healing Eyes) provides a Licorice Decoction for eyes injured by foreign objects, resulting in pain, swelling, redness, and heat accumulation:
Gancao (Licorice Root) (1 fen), Huangbai (Phellodendri Cortex) (1 fen), Kushen (Sophorae Flavescentis Radix) (1 fen), Danggui (Angelicae Sinensis Radix) (1 fen).
Decoct in 1 sheng 2 he of water to obtain 7 he. Wait for it to cool, then wash the eyes. Apply five to six times during the day and once at night.

The *Qianjin Fang* (Essential Prescriptions Worth a Thousand Gold) treats eyes bruised black and blue after being struck by an object:
Apply roasted mutton meat as a hot compress. Do not make it too hot. If mutton is unavailable, use pork liver.

The *Ge Shi Fang* (Prescriptions of Ge) treats eyes injured by foreign objects, presenting with heat, pain, and blurred vision:
Cut fresh Difukao (Kochiae Fructus / Celosia Argentea Stem - Note: Context suggests fresh herb juice, likely referring to a specific local herb or typo for similar, but literally "Di Sheng Di Fu Cao") and instill the juice. In winter, boil the dried herb to extract the juice and instill it. (The *Duan Ju Fang* agrees.)

Another prescription: Mix sparrow droppings with water and instill using a brush.

Yet another prescription: Mix milk with Hufen (Galena / Lead White) and instill five times daily. (The above methods are consistent with the *Fan Wang Fang*.)

The *Duan Ju Fang* (Short Treatise Prescriptions) treats eyes injured by foreign objects:
Sheep gallbladder, chicken gallbladder, and fish gallbladder can all be used for instillation. (The *Ge Shi Fang* agrees.)

The *Guang Li Fang* (Broad Benefit Prescriptions) treats eye trauma causing protrusion of Nourou (Pterygium):
Take seven raw Xingren (Pruni Armeniaci Semen Amarum), (remove skin and tips). Chew them finely and spit into the palm. Warm the mixture inversely, wrap the tip of a chopstick with cotton, and dab it onto the pterygium. After no more than three or four applications, it will heal.