五脏六腑之津液，尽上渗于目。
目者肝之官也。肝开窍于目，目藏精于肝。肝者主为将，使之候外。欲知坚固，视目大小。目
下果大，其胆乃横。
水者阴也，目下亦阴也，腹者至阴之所居，故水在腹者，必使目下肿也。（据此是下胞属脾也，予历诊亦
以下属脾，上属胃为合。）
足少阳之筋结于目 ，为外维。其病也，颈维筋急，从左之右，右目不开。
足太阳之筋，为目上纲。足阳明之筋，为目下纲。其病也，寒则筋急，目不合；热则筋纵，目不开。
手太阳之筋，属目外 。手少阳之筋，属目外 。足之阳明，手之太阳，筋急则口目为 ， 急不能卒视。
手少阴之脉，系目系。其病目黄，胁痛，掌中热痛。
手太阳之脉，至目锐 ，其支者至目内 。其病目黄。
足太阳之脉，起于目内 。其病目黄，目似脱，项似拔。
手少阳之脉，至目锐 。其病目锐 痛。
足少阳之脉，起于目锐 。其支者复至目锐 后。其病目锐 痛。
足厥阴之脉，连目系，从目系下颊里。
足阳明有夹鼻入于面者，属口对入系目本。足太阳有通项入于脑者，正属目本，名曰眼系。病
苦头目痛。入阴出阳，交于锐 ，阳气盛则 目，阴气绝则瞑目。（绝，极也。谓不交于阳也。）
足阳明胃脉，上至目内 。
阴跷之脉，合太阳、阳跷而上行，至于目内 ，故目内 痛者，取之阴跷。邪客于足阳跷之脉，令人目
痛，从内 始。诊目痛，赤脉从上下者，太阳病；从下上者，阳明病；从外走内者，少阳病。（上并出《内经》。）
首尾赤 属心，满眼白睛属肺，其乌睛圆大属肝，其上下肉胞属脾，而中间一点黑瞳如漆者，肾实主之。（杨仁斋。）
黑珠属肝，白珠属肺，瞳人属肾，大角属大肠，小角属
小肠，（大外小内。）上胞属脾，下胞属胃。（夏禹铸。按∶其赤络属于心。）
五脏六腑的津液，都向上渗注于眼睛。
眼睛是肝脏的外候器官。肝开窍于目，眼睛的精气藏于肝中。肝主将帅之职，负责观察外界情况。想要了解其坚固程度，可以观察眼睛的大小。眼下果大（指下眼睑饱满隆起），说明胆气亢盛横逆。
水属阴，眼下也属阴，腹部是至阴之气所居之处，所以如果腹中有水饮停聚，必然会导致眼下浮肿。（根据这一点可知下眼睑归属于脾，我历来的诊断也是以下眼睑属脾、上眼睑属胃为符合医理。）
足少阳经的筋脉结聚于眼部，称为“外维”。如果发生病变，颈部筋脉拘急，从左侧牵引至右侧，会导致右眼无法睁开。
足太阳经的筋脉，构成眼睑的上纲（上睑）。足阳明经的筋脉，构成眼睑的下纲（下睑）。如果发生病变，寒邪侵袭则筋脉拘急，导致眼睛不能闭合；热邪侵袭则筋脉弛纵，导致眼睛无法睁开。
手太阳经的筋脉，连接于眼外角。手少阳经的筋脉，连接于眼外角。足阳明经和手太阳经的筋脉如果拘急，会导致口眼歪斜，筋脉拘急不能突然视物。
手少阴心经的经脉，系连于目系（眼球连系脑部的脉络）。如果发生病变，会出现目黄、胁痛、手掌中心发热疼痛等症状。
手太阳小肠经的经脉，到达眼外角，其分支到达眼内角。如果发生病变，会出现目黄。
足太阳膀胱经的经脉，起始于眼内角。如果发生病变，会出现目黄，眼睛感觉像要脱出，颈部感觉像被牵拉拔起。
手少阳三焦经的经脉，到达眼外角。如果发生病变，会出现眼外角疼痛。
足少阳胆经的经脉，起始于眼外角，其分支又回到眼外角后方。如果发生病变，会出现眼外角疼痛。
足阳明胃经有夹鼻进入面部的支脉，属于口部并进入系连于眼的根本。足太阳膀胱经有通过颈部进入脑部的支脉，正对眼的根本，名叫“眼系”。患病时痛苦于头目疼痛。经脉入阴出阳，交汇于眼外角，阳气盛则眼睛张开，阴气绝极则闭上眼睛。（“绝”意为极，指不与阳气相交。）
足阳明胃经的经脉，上行至眼内角。
阴跷脉，与太阳经、阳跷脉合并上行，到达眼内角，所以眼内角疼痛的，取阴跷脉治疗。邪气客居于足阳跷脉，使人眼睛疼痛，从眼内角开始。诊断眼痛，如果赤色血脉从上向下延伸的，是太阳病；从下向上延伸的，是阳明病；从外向内走的，是少阳病。（以上均出自《内经》。）
眼尾赤色属于心，满眼白睛属于肺，黑珠圆大属于肝，上下眼睑属于脾，而中间一点黑瞳如漆色的，由肾真正主宰。（杨仁斋观点。）
黑珠（黑眼）属于肝，白珠（白眼）属于肺，瞳人属于肾，大眼角（外眦）属于大肠，小眼角（内眦）属于小肠。（大在外，小在内。）上眼睑属于脾，下眼睑属于胃。（夏禹铸观点。按语：其中的赤络属于心。）
The fluids of the five zang organs and six fu organs all ascend and seep into the eyes.
The eyes are the external orifice of the Liver (Gan). The Liver opens into the eyes, and the essence of the eyes is stored in the Liver. The Liver acts as the general, responsible for observing the exterior. To know its firmness, observe the size of the eyes. If the lower eyelids are full and prominent, it indicates that the Gallbladder Qi is hyperactive and rampant.
Water belongs to Yin, and the area under the eyes also belongs to Yin. The abdomen is the residence of the utmost Yin qi. Therefore, if there is fluid retention in the abdomen, it will necessarily cause swelling under the eyes. (Based on this, the lower eyelid belongs to the Spleen; my clinical experience also confirms that classifying the lower eyelid as belonging to the Spleen and the upper eyelid as belonging to the Stomach is consistent.)
The sinews of the Foot-Shaoyang (Gallbladder) channel knot at the eye, forming the "outer restraint." When diseased, the neck sinews become tight; if the tension extends from left to right, the right eye cannot open.
The sinews of the Foot-Taiyang (Bladder) channel form the upper margin of the eyelid. The sinews of the Foot-Yangming (Stomach) channel form the lower margin of the eyelid. When diseased, cold causes sinew tightness, resulting in the inability to close the eyes; heat causes sinew flaccidity, resulting in the inability to open the eyes.
The sinews of the Hand-Taiyang (Small Intestine) channel connect to the outer canthus. The sinews of the Hand-Shaoyang (Sanjiao) channel connect to the outer canthus. When the sinews of the Foot-Yangming and Hand-Taiyang channels are tight, it leads to deviation of the mouth and eye, with tightness preventing sudden vision.
The vessel of the Hand-Shaoyin (Heart) channel connects to the eye system (the connection between the eyeball and the brain). When diseased, symptoms include yellowing of the eyes, hypochondriac pain, and hot painful sensation in the center of the palm.
The vessel of the Hand-Taiyang (Small Intestine) channel reaches the outer canthus, and its branch reaches the inner canthus. When diseased, it results in yellowing of the eyes.
The vessel of the Foot-Taiyang (Bladder) channel originates at the inner canthus. When diseased, it results in yellowing of the eyes, a sensation that the eyes are about to fall out, and a sensation that the neck is being pulled.
The vessel of the Hand-Shaoyang (Sanjiao) channel reaches the outer canthus. When diseased, it results in pain at the outer canthus.
The vessel of the Foot-Shaoyang (Gallbladder) channel originates at the outer canthus, and its branch returns behind the outer canthus. When diseased, it results in pain at the outer canthus.
The vessel of the Foot-Jueyin (Liver) channel connects to the eye system and descends from the eye system through the interior of the cheek.
The Foot-Yangming (Stomach) channel has branches that run alongside the nose into the face, connecting to the mouth and entering the root of the eye. The Foot-Taiyang (Bladder) channel has branches that pass through the neck into the brain, directly connecting to the root of the eye, named the "eye system." Disease causes suffering from headache and eye pain. The vessels enter Yin and exit Yang, intersecting at the outer canthus. When Yang Qi is abundant, the eyes open; when Yin Qi is exhausted/extreme, the eyes close. ("Exhausted" means extreme, referring to not interacting with Yang.)
The vessel of the Foot-Yangming (Stomach) channel ascends to the inner canthus.
The Yin Qiao vessel merges with the Taiyang and Yang Qiao vessels and ascends to the inner canthus; therefore, for pain at the inner canthus, treat the Yin Qiao vessel. When pathogenic factors invade the Foot-Yang Qiao vessel, it causes eye pain starting from the inner canthus. In diagnosing eye pain: if red vessels extend from top to bottom, it is a Taiyang disease; if they extend from bottom to top, it is a Yangming disease; if they move from outside to inside, it is a Shaoyang disease. (All above cited from *Neijing*.)
Redness at the corners of the eyes belongs to the Heart; white sclera covering the whole eye belongs to the Lung; round and large black pupils belong to the Liver; upper and lower eyelids belong to the Spleen; and the central black pupil like lacquer is truly governed by the Kidney. (Yang Renzhai's view.)
The black part of the eye belongs to the Liver, the white part belongs to the Lung, the pupil belongs to the Kidney, the large angle (outer canthus) belongs to the Large Intestine, and the small angle (inner canthus) belongs to the Small Intestine. (Large is external, small is internal.) The upper eyelid belongs to the Spleen, and the lower eyelid belongs to the Stomach. (Xia Yuzhu's view. Note: The red collaterals within belong to the Heart.)