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The *Zhouhou Beiji Fang* (Emergency Prescriptions Kept in the Sleeve) treats chronic blindness where one cannot recognize people.
Collect Tribulus seeds on the seventh day of the seventh lunar month, dry them in the shade, crush and sieve them. Take one *cun* bi (a square-inch measure) after meals.

The *Shenshi Fang* (Deep Master's Prescriptions) treats blindness, specifically for cases lasting one to four years where the eyes appear normal externally but vision is obscured as if looking through silk. This is the Jueming San (Cassia Powder).
*Cassiae Semen Planae* (2 sheng):
Crush and sieve the single ingredient. Take one *cun* bi with rice broth. Avoid fish, garlic, pork, and pungent vegetables.

The *Qianjin Fang* (Essential Prescriptions Worth a Thousand Gold) Bu Gan San (Liver-Nourishing Powder) treats blindness with dim, indistinct vision.
One green sheep liver: Remove the membrane, slice thinly. Wipe clean an unused new tile pot, place the liver inside, and roast over charcoal until extremely dry and oily. Take after meals.

Another Bu Gan San (Liver-Nourishing Powder) treats thirty-year chronic blindness.
*Xixin* (Asarum), *Zhongru* (Stalactite powder, ground), *Fuling* (Poria), *Yunmu Fen* (Muscovite powder), *Yuanzhi* (Polygala root, heart removed), *Wuweizi* (Schisandra berry).
Take equal parts of these six herbs, crush into powder. Take five fen bi with water, three times daily, increasing gradually to one *cun* bi. Avoid raw vegetables and strong vinegar.

Another prescription:
*Sesamum indicum* (Hemp seed) 1 dan, steamed thirty times, then powdered. Take one sheng daily; it is effective.

Another prescription:
Collect turnip flowers in the third lunar month, dry in the shade, and powder them. Take one *cun* bi with well water on an empty stomach. Long-term use promotes longevity and clear vision, allowing reading fine print at night. (All from Volume Six)

According to the *Bingyuan* (Source of Diseases), Qingmang (Green Blindness) refers to eyes that originally have no abnormalities, with distinct black pupils and white sclera, yet the patient cannot see objects directly. This is because the essence and qi of the five zang and six fu organs all ascend to the eyes. If the zang organs are deficient and wind-pathogens or phlegm-fluids invade, heat causes redness and pain; without heat, internal obstruction arises internally. This indicates that the blood and qi of the fu and zang organs fail to nourish the eyeballs. Thus, while external appearance remains unchanged...

The *Shenshi Fang* treats Qingmang (Green Blindness).
One pig gallbladder: Slowly boil the single ingredient. Form pills the size of millet grains. Instill into the eye; leave for a moment. Effective.

Another prescription, Huang Niu Gan San (Yellow Ox Liver Powder), treats chronic Qingmang (Green Blindness).
One yellow ox liver, *Tu Gua Gen* (Trichosanthes root, 3 liang), *Lingyang Jiao* (Saiga antelope horn, shaved, 3 sheng), *Rui Ren* (Buckthorn seed, 3 liang), *Xixin* (Asarum, 6 liang), *Cheqian Zi* (Plantago seed, 1 sheng).
Combine the six herbs with the liver in a jar. Seal for fifteen days in spring and summer, twenty days in winter. Remove, sun-dry, crush, and sieve. Take one *cun* bi with wine. Avoid meat, fish, five pungents, and raw vegetables.

Another prescription treats liver disease causing Qingmang (Green Blindness), internal obstructions, aversion to wind, redness, and pain. This is the Bu Gan San (Liver-Nourishing Powder).
*Ganjiang* (Dried ginger, 6 fen), *Gansui* (Kansui root, 3 fen), *Guixin* (Cinnamon twig bark), *Fuling* (Poria), *Fuzi* (Prepared aconite), *Huanglian* (Coptis rhizome), *Gancao* (Licorice root, roasted), *Danggui* (Angelica sinensis), *Ganqi* (Dry lacquer, stewed), *Beichi* (Concha Margaritifera, burned), *Zhu Ling* (Polyporus), *Baizhu* (Atractylodes macrocephala, each 5 fen), *Gan Dihuang* (Rehmannia root, dried, 8 fen), *Danshen* (Salvia miltiorrhiza, 6 fen), *Fangfeng* (Saposhnikovia root, 7 fen), *Huangqin* (Scutellaria root, 6 fen).
Process the sixteen ingredients into powder. Take one *cun* bi with wine, three times daily. Avoid seaweed, Chinese cabbage, raw vegetables, pork, cold water, peaches, plums, and sparrow meat.

Another prescription treats deficiency of liver qi, resulting in blurred vision (*kukuku*), bluish complexion of face and eyes, excessive discharge and tearing, and inability to see light. This is the Tiao Gan San (Liver-Regulating Powder).
*Xixin* (Asarum), *Baishi* (Biota seed, each 2 liang), *Rui Ren* (Buckthorn seed), *Gancao* (Licorice root, roasted, each 1 liang), Sheep liver (one, remove fat and membrane, roast dry).
Crush the five ingredients into powder. Take one *cun* bi with wine; it is very effective. Avoidances are the same as above.

Another prescription treats blindness accompanied by headache.
Equal parts carp brain and bile. Mix and instill into the eyes, three times daily. Effective. (*Zhouhou Beiji Fang* treats Night Blindness).

The *Bixiao Fang* (Prescriptions of Certain Effect) Man Jing Zi San (Vitex Powder) treats Qingmang (Green Blindness) where the pupil is not damaged; ten cases yield nine cures.
*Manjingzi* (Vitex fruit, 6 sheng): Steam it until vapor permeates the bottom of the steamer. Rinse with hot water from the pot, then sun-dry. Repeat this process three times. Then crush and sieve. Take two *cun* bi with clear wine, gradually increasing to three *cun* bi. Do not prepare on rainy days, as the powder will spoil. Cured miraculously within one hundred days. Very effective.