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Itching and urgency of the eyes are caused by wind-pathogen invading the space between the eyelids, where it contends with blood, qi, and body fluids. This contention causes itching and tearing, while the eyes remain constantly red and dry/astringent. This condition is also referred to as an eye disorder.

For treating redness, moisture, itching, and urgency of the eyes, the Weirui San (Weirui Powder) formula is suitable.
Ingredients: Yu Zhu (Polygonatum Odoratum Rhizome), Qin Pi (Fraxinus Cortex), Gan Ju Hua (Chrysanthemi Flos), Fang Feng (Saposhnikoviae Radix, radix removed), Zhi Zi Ren (Gardeniae Fructus), Gan Cao (Licorice Root, honey-fried until slightly red and chopped, 1 liang each), Huang Lian (Coptidis Rhizoma, 1.5 liang).
Process: The above ingredients are crushed, sifted into a powder. Take 4 qian per dose, decoct in one zhong of water until reduced to 6 fen. Strain the dregs. Take warm after meals, and again before bed at night.

For treating wind-pathogen attacking the eyelids, causing eye itching and urgency, appearing red but not truly red, the Shashen San (Shashen Powder) is suitable.
Ingredients: Sha Shen (Glehniae Radix, radix removed, 1 liang), Fang Feng (Saposhnikoviae Radix, radix removed, 1 liang), Gan Cao (Licorice Root, half liang, honey-fried until slightly red and chopped), Gan Ju Hua (Chrysanthemi Flos), Chi Shao Yao (Paeoniae Radix Rubra), Di Gu Pi (Lycii Cortex).
Process: The above ingredients are crushed, sifted into a powder. Take 4 qian per dose, decoct in one zhong of water until reduced to 6 fen. Strain the dregs. Take warm at any time.

For treating wind-heat causing redness, itching, and urgency of the eyes that persists day and night, use the Wushe San (Black Snake Powder) formula.
Ingredients: Wu She (Zaocys, 2 liang, soaked in wine, skin and bones removed, fried until yellow), Ben Cao (Ligustici Rhizoma et Radix), Fang Feng (Saposhnikoviae Radix, radix removed), Chi Shao Yao (Paeoniae Radix Rubra), Qiang Huo (Notopterygii Rhizoma et Radix, 1 liang each), Xiong (Ligustici Chuanxiong Rhizoma), Xi Xin (Asari Radix et Rhizoma).
Process: The above ingredients are finely crushed and sifted through a fine sieve into a powder. Take 2 qian mixed with warm water at any time.

For treating liver wind-pathogen causing upper heat and lower cold, resulting in itching and urgency of the eyelids and pupils that cannot be stopped by rubbing, the Lingyang Jiao Wan (Antelope Horn Pill) is suitable.
Ingredients: Lingyang Jiao Xie (Saiga Tatarica Cornu, shaved, 1.5 liang), Gou Qi Zi (Lycii Fructus, 1.5 liang), Tu Si Zi (Cuscutae Semen, 1.5 liang, soaked in wine for three nights, dried and powdered), Chi Fu Ling (Poria with Red Heart, 2 liang), Xi Xin (Asari Radix et Rhizoma, 2 liang).
Process: The above ingredients are crushed, sifted into powder, and kneaded with refined honey for 300-500 strikes. Form pills the size of paulownia seeds. Take 30 pills on an empty stomach with millet gruel broth, and after evening meal.

For treating red eyes with dryness, itching, and urgency that are unbearable day and night.
Ingredients: He Li Le Ren (Terminalia Chebula Fruit Kernel, 10 pieces, powdered), She Tui Pi (Ophichthidae Cutis, 5 cun, cleaned), Huang Lian (Coptidis Rhizoma, half liang, mustache removed and finely chopped), Da Zao (Jujubae Fructus, 5 pieces, pitted), Dan Zhu Ye (Lophatheri Herba).
Process: Decoct the above ingredients in one da zhong of water until reduced to 3 fen. Filter through silk to remove dregs and clarify. Warm the liquid in a double boiler to body temperature every night. Use a copper stick to apply drops into the eyes.

For treating wind-induced eye itching, redness, and urgency, use the Huang Lian Jian (Huang Lian Eye Drop Decoction).
Ingredients: Huang Lian (Coptidis Rhizoma, half liang, mustache removed and powdered), Ding Xiang (Caryophylli Flos, 1 fen, powdered), Huang Bo (Phellodendri Cortex, half liang, powdered), Rui Ren (Pruni Semen, half liang, red skin removed and mashed).
Process: Decoct the above ingredients in one and a half da zhong of water to obtain half a zhong. Strain the dregs, filter again through silk, and reduce further into a concentrated syrup. Apply 3-5 times daily.

Another prescription.
Ingredients: Huang Lian (Coptidis Rhizoma, half liang, mustache removed), Rui Ren (Pruni Semen, half liang, red skin removed), Qin Pi (Fraxinus Cortex, half liang).
Process: Crush the ingredients, wrap in silk, and soak in one and a half he of cow's milk in a copper vessel for one shichen (two hours). Squeeze out the juice. Apply 3-5 times daily.

Another prescription.
Ingredients: Yan Hua (Halitum Salis), Wu Zei Gu (Sepiae Endoconcha, half liang, finely ground).
Process: Decoct in two da zhong of clear vinegar and grain wash water until reduced to one small zhong. Filter through silk to obtain clear liquid. Use the tip of a copper stick to take an amount the size of a hemp seed, and apply 3-5 times daily.

For treating eye itching, urgency, redness, and dryness, use the Qin Pi Tang (Qin Pi Eye Wash Decoction).
Ingredients: Qin Pi (Fraxinus Cortex, 1 liang), Rui Ren (Pruni Semen, 1 liang, red skin removed), Gan Cao (Licorice Root, 1.5 liang), Xi Xin (Asari Radix et Rhizoma, 1 liang), Zhi Zi Ren (Gardeniae Fructus, 1 liang), Ku Zhu Ye (Bambusae Folium).
Process: Finely chop the ingredients, decoct in three da zhong of water until reduced by half. Strain the dregs. Wash the eyes while hot; if cooled, re-warm. Wash frequently.

Another prescription.
Ingredients: Jin Yan (Gold Salt/Sodium Chloride, 1 liang).
Process: Decoct in one da zhong of grain wash water until reduced to half a zhong. Clarify. Apply to the eyes occasionally for good results.

Another prescription.
Take dog bile and drip into the eyes for good results.