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The windlass rotates within the well, resembling the eyes of a beautiful woman (Yiren), whose gaze follows the movement; why does it follow? Because the great wind blows from the east. The windlass rotates above the well, resembling the eyes of a beautiful woman, whose gaze flips upward; why does it flip upward? This is the image of a whirlwind. That windlass knows when to stop and can remain still; but that pupil (eyeball) has uncertain opening and closing. A whirlwind disturbs the ground, causing frequent blinking of the eyes; a great wind breaks trees, leading to the loss of life function in the eyes.

These three chapters on the "Windlass" are specifically dedicated to discussing conditions where visceral qi is disordered and obstructed, yin and yang are disharmonious, stroke with phlegm obstruction occurs, or there is depletion of blood and qi, resulting in staring straight ahead, upward gazing, tight closure, frequent blinking, and rolling/trembling movements of the eyes. The so-called rolling and trembling refers to the eyes moving spontaneously without being commanded by the heart, suddenly looking up, suddenly looking down, suddenly turning left, suddenly turning right, or twitching and shaking. This indicates liver qi disharmony and wind pathogen attacking, causing tendons and vessels to tremble and startle, leading to unstable eye movements. If this pulling becomes habitual, failing to look back, it results in retroversion (eyes deviated backward). If convulsions do not cease, it leads either to sudden blindness or to Qingming (progressive vision loss until blindness). As for tight closure and frequent blinking, it is because the upper eyelid margin belongs to the Foot-Taiyang Bladder Channel, and the lower eyelid margin belongs to the Foot-Yangming Stomach Channel; heat in these two channels causes tendons to relax and fail to open. Furthermore, the Liver governs wind, and the Gallbladder governs fright; if Yang fire is bright and wind-fright blows again, visual strength naturally struggles to resist. If there is originally redness and heat, there is its own primary syndrome, which is not discussed here.

What is upward gazing? It involves mental confusion, locked jaw, twitching of hands and feet, and excessive phlegm accumulation in the chest, diaphragm, throat, and pharynx. This is named "Tiandiao" (a type of pediatric convulsive disorder), essentially caused by wind deficiency. However, this usually occurs temporarily and is not a matter for grave concern. If upward gazing occurs in chronic illness or severe disease, with slow rising and falling, rising then falling again, and inability to fall quickly after rising, this indicates the impending exhaustion of Liver and Spleen qi. Even those unfamiliar with medicine can see at a glance that the disease has penetrated to the deepest level (Gao-Huang).

What is staring straight ahead? It involves looking at objects while the eyeballs remain immobile; they do not shrink from candlelight, nor blink when touched by objects. When the disease reaches this stage, the symptoms have become adverse, and most cases are incurable. The *Classic* states: "When the Taiyang channel ends, one experiences Daiyan (fixed upward gaze), opisthotonos, and convulsions." It also says: "When the Shaoyang channel ends, the joints become flaccid, and the eye system severs." I believe: staring straight ahead with loss of consciousness indicates Heart qi exhaustion; failure to recognize people indicates Kidney qi exhaustion; opisthotonos with convulsions indicates Liver qi exhaustion. Generally, this is because evil wind is abundant and blocks righteous qi; when evil is strong, righteous qi departs; when righteous qi departs, the Monarch (Heart) lacks wisdom, and the Chancellor (Lung) fails in its regulatory functions. Thus, the three Zang organs suffer combined disease, resembling drunkenness or dementia, and blindness occurs early. Death is imminent. Therefore, those with staring straight ahead, delirious speech, and wheezing with chest fullness will die; those who grasp at clothes and beds, startle and go mad, with slight wheezing and choppy pulse will die. Allowing the windlass-like eyes to roll about transforms into the most disastrous syndrome in ophthalmology, which cannot be recovered.

Treatment methods: Together with the preceding "Yin-Yang Evil Wind," they are generally addressed in the selection of formulas from the "Scattering Array." Subsequently, treatments may be cooling, warming, purging, or tonifying, occasionally achieving efficacy. However, one must thoroughly study the Head Wind chapter and the explanations of formulas in each array, adjusting them according to the situation, just as lodestone attracts iron, naturally fitting the condition. Therefore, where there is no fixed treatment principle, no specific formula is given. The windlass is a cart for drawing water from deep wells, rotating up, down, left, and right without ceasing. Poetry sings of it, and the syndrome is named after it, employing the rhetorical device of "Xing Bi" (evoking imagery to introduce the subject and draw comparisons). There are many such instances in this collection. Although I know that attempting to paint a tiger may result in something resembling a dog, the aim is to facilitate memorization, constrained by the complexity of diseases and medicines, unable to calculate every detail perfectly. I beg scholars and poets not to let literary embellishment obscure the meaning, nor let rhetoric distort the intent, which would be a source of great joy and relief.