《病源论》云∶目赤痛候，肝气通于目，言肝气有热，热冲于目，故令赤也。
《眼论》云∶治目赤痛涩不得开方∶
鲤鱼胆（一枚） 黄连（二七枚）
凡二物，合和，淹于二斗米下蒸之，饭熟去滓，涂目 ，立愈。
又云∶治眼卒掣痛方∶
灸当瞳子上入发际一寸七壮，痛即止。两眼痛，灸两眼处。甚良。
又云∶治目中白精赤如血栀子煎方∶
黄连（一两，下筛） 肥栀子中仁（二分，研）
二物，研如上法，和以鸡子黄如泥，更熟研，以绢绞去滓，用注目，日七八。鸡子易臭，
唯
《博济安众方》治赤眼肿痛热泪下立验方∶
黄连为末，绵裹以甘蔗汁浸良，久点之。
又云∶热毒风攻两眼并睑忽浮肿眼赤复欲上 肉等方∶
黑豆（一升，择）
上，分作十分，将软绵帛子逐分裹于沸汤，蘸过蒸热，慢慢熨之，每分三度入汤，尽其
十分
又云∶治积年风赤眼方∶
上，取长明灯油盏，纳油少许。以一铜钱于覆钵内细细磨之，令油凝钵底，覆却，以艾
烟微
《葛氏方》治目卒赤痛方∶
捣荠菜根汁，洗之。
又方∶当灸耳叶上七壮。
又方∶鸡舌（二七枚） 黄连（一两） 大枣（一枚）
上三物，切，以水一升，煮取三合，先以冷水洗，染绵拭目，日三，大良。
《千金方》治目赤痛方∶
甘竹叶（二七枚） 乌梅（三枚） 古钱（三枚）。
凡三味，水二升，先渍药半日，东向灶煮三沸，三上三下，得二合，注目 。
《范汪方》治目赤痛方∶
干姜（二分） 黄连（四分）
凡二物，冶合已，乳汁和，如黍米，注四 ，昼夜无所在。
又方∶黄连（一两） 丁香（二十枚）
以水八合，渍之三日，去滓，洗眼。
《短剧方》治目痛方∶
以盐汤洗之良。
又方∶以 荷根取汁，着竹筒中，着目中，即愈。
《录验方》治目赤痛黄连汤方∶
黄连（二分） 大枣（十枚）
凡二物，切，以水五合，煮取一合半，注目中，日十夜二。
《耆婆方》治人眼赤痛方∶
秦皮（二两） 升麻（三两） 黄连（二两）
三味，以水三升，煮取二升，去滓，少少纳目中，洗之。
《集验方》治目痛三十年方∶
取虫螺一枚，以水洗之。纳燥杯中，使螺口开。以黄连一枚，纳螺口中，螺饮黄连，黄
连苦
《诸病源候论》说：目赤痛的证候，是因为肝气与目相通，如果肝气有热，热气上冲于目，所以导致眼睛发红。
《眼论》说：治疗眼睛红肿疼痛、干涩难以睁开的方子：
鲤鱼胆（一枚） 黄连（二七枚）
将以上两味药混合，放在二斗米中蒸制，饭熟后去掉药渣，涂抹于眼部，立即痊愈。
又说：治疗眼睛突然抽搐疼痛的方子：
在瞳孔正上方进入发际一寸处施灸，共七壮，疼痛即刻停止。双眼疼痛，则灸两眼相应部位。效果很好。
又说：治疗眼中白睛部分红如血色的栀子煎方：
黄连（一两，过筛） 肥大的栀子仁（二分，研磨）
将这两味药按上述方法研磨，用鸡蛋黄调和成泥状，再次加热研磨，用绢布绞去药渣，滴入眼中，每日七八次。鸡蛋容易变质，
只有……
《博济安众方》治疗红眼肿痛、热泪直流且立竿见影的方子：
将黄连研成粉末，用绵裹住，浸入甘蔗汁中浸泡良好，长时间点眼。
又说：治疗热毒风邪侵袭双眼及眼睑突然浮肿、眼红并伴有胬肉攀睛等症的方子：
黑豆（一升，挑选干净）
将黑豆分成十分，用软绵帛包裹每一分，放入沸水中蘸过后蒸热，慢慢熨烫眼部，每份分三次浸入汤中，用完全部十分。
又说：治疗多年风邪引起的红眼方：
取长明灯油盏，倒入少许油。用一枚铜钱在倒扣的钵内细细研磨，使油凝结在钵底，再盖好，用艾烟微微……
《葛氏方》治疗眼睛突然红肿疼痛的方子：
捣碎荠菜根取汁，清洗眼部。
又一方：应当在耳叶上施灸七壮。
又一方：鸡舌香（二七枚） 黄连（一两） 大枣（一枚）
将以上三味药切碎，用水一升，煮取三合药液，先用冷水清洗眼部，再用浸湿的绵擦拭眼睛，每日三次，效果很好。
《千金方》治疗目赤痛的方子：
甘竹叶（二七枚） 乌梅（三枚） 古钱（三枚）。
将这三味药，用水二升，先浸泡药物半天，面向东边的灶台煮三沸，经历“三上三下”的过程，得到二合药液，滴入眼中。
《范汪方》治疗目赤痛的方子：
干姜（二分） 黄连（四分）
将以上两味药研磨混合，用乳汁调和，制成如黍米大小的丸剂，塞入四个鼻孔，昼夜不停。
又一方：黄连（一两） 丁香（二十枚）
用水八合，浸泡三天，去掉药渣，洗眼。
又一方：取藕根取汁，装入竹筒中，滴入眼中，即可痊愈。
《录验方》治疗目赤痛黄连汤方：
黄连（二分） 大枣（十枚）
将以上两味药切碎，用水五合，煮取一合半药液，滴入眼中，每日十次，夜间两次。
《耆婆方》治疗人眼赤痛的方子：
秦皮（二两） 升麻（三两） 黄连（二两）
将这三味药，用水三升，煮取二升药液，去掉药渣，少量滴入眼中，清洗眼部。
《集验方》治疗三十年眼痛的方子：
取虫螺一枚，用水洗净。放入干燥的杯中，使螺口张开。将一枚黄连放入螺口中，螺吸食黄连，黄连的苦……
The *Zhu Bing Yuan Hou Lun* (Treatise on the Pathogenesis and Symptoms of All Diseases) states: Regarding the syndrome of red and painful eyes, the Liver Qi connects to the eyes. If there is heat in the Liver Qi, this heat rushes upward to the eyes, causing redness.
The *Yan Lun* (Treatise on Eyes) states: A prescription for treating red, painful, dry, and difficult-to-open eyes:
Carp Bile (one unit) Huanglian (Seven pairs, i.e., fourteen units)
Combine these two substances, steam them under two dou of rice. Once the rice is cooked, remove the dregs, and apply to the eyes; it will heal immediately.
It also states: A prescription for treating sudden twitching pain in the eyes:
Moxibustion at a point one cun above the pupil into the hairline, seven moxa cones. The pain stops immediately. For pain in both eyes, treat both corresponding locations. This is very effective.
It also states: A Zhizi Decoction for treating white sclera that appears red like blood:
Huanglian (One liang, sifted) Fei Zhizi Ren (Two fen, ground)
Grind these two substances as described above, mix with egg yolk to form a paste, re-heat and grind, then strain through silk cloth to remove dregs. Instill into the eyes, seven or eight times daily. Eggs spoil easily...
The *Boji Anzhong Fang* (Prescriptions for Universal Relief and Safety) provides an immediate-effective prescription for red, swollen, painful eyes with hot tears:
Grind Huanglian into powder, wrap in cotton, soak in sugarcane juice until well-infused, and instill frequently.
It also states: Prescriptions for heat-toxin and wind attacking both eyes and eyelids, causing sudden swelling, redness, and pterygium-like growths:
Heidou (One sheng, selected)
Divide into ten parts. Wrap each part in soft cotton cloth, dip in boiling water, steam until hot, and gently compress/foment the eyes. Dip each part three times into the water, using all ten parts.
It also states: A prescription for chronic wind-induced red eyes:
Take a lamp oil dish from a long-burning lamp, add a small amount of oil. Grind a copper coin finely inside an inverted bowl until the oil condenses at the bottom. Cover it again, and use mugwort smoke slightly...
The *Ge Shi Fang* (Prescriptions by Master Ge) for treating sudden red and painful eyes:
Crush shepherd's purse roots to extract juice, and wash the eyes.
Another prescription: Apply moxibustion to the earlobe, seven cones.
Another prescription: Jiti Xiang (Seven pairs) Huanglian (One liang) Dazao (One unit)
Chop these three substances, boil in one sheng of water to obtain three he of liquid. First wash the eyes with cold water, then wipe the eyes with moistened cotton, three times daily. Very effective.
The *Qianjin Fang* (Essential Prescriptions Worth a Thousand Gold) for treating red and painful eyes:
Ganzhuye (Seven pairs) Wumei (Three units) Guqian (Three units).
For these three ingredients, use two sheng of water. Soak the herbs for half a day. Boil over a stove facing east for three boils, performing "three ups and three downs" (lifting and lowering the pot), obtaining two he of liquid. Instill into the eyes.
The *Fan Wang Fang* (Prescriptions by Fan Wang) for treating red and painful eyes:
Ganjiang (Two fen) Huanglian (Four fen)
Grind and mix these two substances, blend with milk, form pills the size of millet seeds, insert into four nostrils, day and night without interruption.
Another prescription: Huanglian (One liang) Dingxiang (Twenty units)
Soak in eight he of water for three days, remove dregs, and wash the eyes.
The *Duanju Fang* (Short Drama Prescriptions) for treating eye pain:
Washing with salt water is effective.
Another prescription: Extract juice from lotus root, place in a bamboo tube, and instill into the eyes; it heals immediately.
The *Luyan Fang* (Verified Records Prescriptions) for Huanglian Decoction for red and painful eyes:
Huanglian (Two fen) Dazao (Ten units)
Chop these two substances, boil in five he of water to obtain one and a half he of liquid. Instill into the eyes, ten times daily and twice nightly.
The *Qipo Fang* (Prescriptions by Qibo) for treating human red and painful eyes:
Qinpi (Two liang) Shengma (Three liang) Huanglian (Two liang)
Boil these three substances in three sheng of water to obtain two sheng of liquid. Remove dregs, and instill small amounts into the eyes to wash them.
The *Jiyan Fang* (Collected Verified Prescriptions) for treating thirty-year eye pain:
Take one conch snail, wash it with water. Place it in a dry cup to open its mouth. Insert one piece of Huanglian into the snail's mouth. The snail drinks the Huanglian, and the bitterness of the Huanglian...