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[Attached Discussion]
The condition known as "Ocular Purulent Discharge" (Mu Nong Lou) arises from the stagnation and heat accumulation in the blood vessels, with pathogenic factors transmitting to the Foot-Taiyang Bladder Meridian (Zu Taiyang Pangguang Jing). The Bladder meridian originates at the inner canthus of the eye; therefore, it causes swelling of the eyelids, difficulty in opening the eyes, and although tears may flow, the black pupil appears obscured or distorted.

Lingyangjiao Wan (Antelope Horn Pill), sourced from *Shengji Zonglu* (General Records of the Holy Emergency):
Treats toxic wind attacking upward, causing redness, swelling, ulceration, and growth of nebulae on the eyelids; rotting of ocular tissue with foul odor.
Ingredients: Lingyangjiao (Antelope Cornu, sliced), Huangbai Pi (Phellodendri Cortex, scraped of rough bark and stir-fried), Fangfeng (Saposhnikoviae Radix, twigs removed, each 1.5 liang), Xuanshen (Scrophulariae Radix), Jingjie Sui (Schizonepetae Spica), Xiong (Ligustici Rhizoma et Radix), Huanglian (Coptidis Rhizoma, mustards removed), Shenggan Di (Prepared Rehmanniae Radix, cut and wine-stir-fried), Shengma (Bupleuri Radix). Processed into powder, mixed with refined honey to form pills.

Xuanshen Wan (Scrophularia Pill), sourced from *Taiping Shenghui Fang* (Holy惠民 Formulas of the Taiping Era):
Treats ocular purulent discharge, redness and itching of the eyes, with continuous purulent discharge day and night.
Ingredients: Xuanshen (Scrophulariae Radix), Juemingzi (Cassiae Semen), Dihuang (Rehmanniae Radix, cut), Huanglian (Coptidis Rhizoma, mustards removed), Lufengfang (Vespa Nest), Qingxiangzi (Celosiae Semen), Lulü (Euphorbiae Humifusae Herba), Lingyangjiao Xie (Antelope Cornu shavings, each 2 liang). Grind the medicines thoroughly. Take appropriate dose twice daily.

Dihuang San (Rehmannia Powder), sourced from *Taiping Shenghui Fang*:
Treats persistent ocular purulent discharge.
Ingredients: Dihuang (Rehmanniae Radix, cut), Fangfeng (Saposhnikoviae Radix, radix removed), Huangqin (Scutellariae Radix), Chuan Dahuang (Rhei Radix et Rhizoma, cut and lightly stir-fried, each 2 liang), Digupi (Lycii Cortex), Yuanzhi (Polygalae Radix, heart removed), Renshen (Ginseng Radix, sliced). Decoct until the liquid reduces to six-tenths, then filter out the dregs.

Fangfeng Tang (Wind-Dispersing Decoction, also known as Zhifeng Dihuang Tang), sourced from *Longmu Lun*:
Treats dacryocystitis (eye leakage), with purulent discharge and external obstruction (nebula).
Ingredients: Fangfeng (Saposhnikoviae Radix, twigs removed, 2 liang; one prescription uses 1 liang), Zhimu (Anemarrhenae Rhizoma, 2 liang), Dahuang (Rhei Radix et Rhizoma, cut and stir-fried, 2 liang; one prescription uses 1 liang), Yuanzhi (Polygalae Radix, heart removed), Digupi (Lycii Cortex, each 2 liang; one prescription uses 1 liang). Decoct with one cup of water until reduced to a quantity equivalent to one qianbi (approx. 1-2 grams), use for instillation into the eyes.

Diyan Fang (Eye Instillation Formula), sourced from *Taiping Shenghui Fang*:
Treats ocular purulent discharge resulting in blindness.
Ingredients: Xionghuang (Realgar, finely ground), Shijueming (Haliotidis Concha, crushed and finely ground, processed by water levigation), Mayaxiao (Natrii Sulfas, finely ground, each 2 liang), Mi (Honey, 3 he), Qingyan (Green Salt, half liang, finely ground). Mix and store in a container.

Bai Fan Jian Fang (Alum Decoction Formula), sourced from *Taiping Shenghui Fang*:
Treats chronic ocular purulent discharge that does not cease; suitable for instillation.
Ingredients: Baifan (Alumen, 1 fen, calcined to ash), Huangbai Mo (Phellodendri Cortex powder, 3 fen), Huanglian Mo (Coptidis Rhizoma powder, 7 fen), Xionghuang (Realgar, 1 fen), Xiongdan (Ursi Fel, 1 qian), Zhusha (Cinnabar, 1 fen). Filter through a sieve.

Longnao San (Borneol Powder), sourced from *Shengji Zonglu*:
Treats ocular fistula/ulcer, with swollen eyes discharging pus.
Ingredients: Longnao (Borneolum Syntheticum, ground), Mayaxiao (Natrii Sulfas, half liang each), Lv Dou Fen (Phaseoli Volubilis Semen powder, 1 qian). Grind all ingredients together until extremely fine. Use a rush pith (dengxin) to apply the medicine to the eyes. Continue for four to five days.