视定反动水不足，火邪上转故如斯，莫教动极神光坠，始信当年不听医。
此症谓物之定者，反觉振而动也，乃气分火邪之害，水不能救之，故阳邪虚火，上旋
转运，而振掉不定。
光华欲坠，久则地觉亦动，内障即成，恣酒嗜燥，头风痰火之人，阴虚血少者，屡有此
患矣。宜服∶
钩藤散
钩钩藤 陈皮 麦门冬 石膏 家菊花 人参 明天麻 防风 白茯苓 鹿茸 制半夏
甘草（各等分）
上为粗末。每服四钱，姜三片，白水煎服。
颠倒光华病最奇，头风痰气火为之，阴阳反复光华损，屋宇如崩地若移，莫言眩运无他
患，直待盲时悔失医。
此症谓目视物，皆振动而颠倒也，譬诸环舞后定视，则物皆移动而倒植。盖气不正，阴
阳反复，真元损伤，阴精衰弱，而阳邪上干，虚眩而运掉。有一年数发，有一月数发者，若
发而视物颠倒，神光坠矣。因其发时，别其因风、因虚、因痰、因火而治之。若以风眩不为
虑，反斫丧而触激者，内障之患，终莫能避矣。宜服∶
羚羊角散
半夏（制，七次） 当归身 川芎 白芷 防风 明天麻 枳壳 甘草（各二钱半） 茯神 羚
羊角（锉细末，各一两）
上为粗末。每服四钱，姜三片，煎，去滓服。
视一为二阴阳渺，肾肝不足精华少，神光将欲落瞳神，急急求医休去祷，不逢妙手理真
元，内障昏昏何日了，若然赤痛犹轻微，火退自然容易好，常时视二尤难医，休道精光还得
早。
此症谓目视一物而为二也。乃光华耗衰，偏隔败坏矣。病在胆肾。胆肾真一之精不足，
而阳光失其主倚，故错乱而渺视为二。若目赤痛，而视一为二者，乃火壅于络，阴精不得升
运，以滋神光，故反为阳邪错乱神光，而渺其视也。譬诸目病时，见一灯火而为二、三也。
宜服∶
补肝散 治肝风内障，不痛不痒，眼见花发黄白黑赤，或一物二形难辨。
车前子 黄芩 川羌活 细辛 黑玄参（各一两） 人参 白茯苓（各二两） 防风 羚羊角（
锉末，各三两）
上为细末。每服一钱五分，食后米饮调服。
千金磁朱丸（见卷二，主明目，百岁可读细字书，常服大益眼目。按∶此方磁石法
水入肾，朱砂法火入心，而神曲专入脾胃，乃道家黄婆媒合婴HT 之理，倪生释之，为费
词矣。或加沉香五钱升降水火，尤佳。）
古人于肾虚及种子方中，每用磁石，近代泥于金石之说，多不知用，然磁石性能引铁，
则用之者亦是假其引肺金之气入肾，使其子母相生尔，水得金而清，则相火不攻自去矣。呜
呼！医之神妙，在于幽微，此言可与知者道也。
冲和养胃汤（见卷二）
视物固定却感觉动摇，是因为肾水不足，火邪上扰所致。若不加以控制，导致神光下坠，那时才后悔当初没有听从医生的劝告。
这种病症是指看静止的物体，反而觉得它在震动或晃动。这是由于气分中火邪为害，肾水不能制约，导致阳邪和虚火上旋、转运，从而引起头部或视觉的震颤不定。
眼内的光华（视力/神光）即将下坠，时间久了连地面也会觉得在动，内障就会形成。那些放纵饮酒、嗜好燥热食物、患有头风痰火病的人，以及阴虚血少的人，经常会有这种病患。适宜服用：
钩藤散
钩藤、陈皮、麦门冬、石膏、家菊花、人参、明天麻、防风、白茯苓、鹿茸、制半夏、甘草（各等分）。
将上述药材捣成粗末。每次服用四钱，加生姜三片，用清水煎煮后服用。
视物颠倒错乱是最奇特的病症，由头风、痰气、火邪引起。阴阳之气反复逆乱，损伤了光华（视力），感觉房屋崩塌、大地移动。不要说这只是眩晕而没有其他危害，直到失明时才后悔错过了就医时机。
这种病症是指眼睛看东西，都感到振动且位置颠倒。就像转圈跳舞后停下来再看周围，会觉得物体都在移动甚至倒立。这是因为气机不正，阴阳反复逆乱，真元受损，阴精衰弱，而阳邪上犯，导致虚眩和震颤。有的人一年发作几次，有的人一个月发作几次。如果在发作时看东西颠倒，说明神光已经下坠了。在治疗时，应根据发病原因，辨别是因风、因虚、因痰还是因火，分别进行治疗。如果认为风眩无关紧要，反而纵欲伤身、触犯禁忌，那么内障的祸患终究无法避免。适宜服用：
羚羊角散
制半夏（七次炮制）、当归身、川芎、白芷、防风、明天麻、枳壳、甘草（各二钱半）、茯神、羚羊角（锉成细末，各一两）。
将上述药材捣成粗末。每次服用四钱，加生姜三片，煎煮后去渣服用。
视一物为两物，是因为阴阳失调，肾肝不足，精华稀少。神光即将从瞳神脱落，应急忙求医，不要只知祈祷。若遇不到妙手回春的医生调理真元，内障昏蒙何时才能结束？如果伴有红痛且症状轻微，火退后自然容易痊愈；若是平时看一物就为两物，则很难医治，不要指望神光能很快恢复。
这种病症是指看一个物体却看成两个。这是由于光华耗损衰败，偏侧隔塞败坏所致。病位在胆和肾。胆肾的真一之精不足，阳光失去了主宰依托，所以视线错乱，看一物为二。如果眼睛红痛，且看一物为二，这是火邪壅滞于脉络，阴精不得上升运化以滋养神光，反而被阳邪扰乱神光，导致视物重影。好比眼病时，看见一盏灯火却看成两盏或三盏。适宜服用：
补肝散 治疗肝风内障，不痛不痒，眼前出现花、黄、白、黑、赤色幻影，或者将一个物体看成两个形状难以分辨。
车前子、黄芩、川羌活、细辛、黑玄参（各一两）、人参、白茯苓（各二两）、防风、羚羊角（锉成末，各三两）。
将上述药材研成细末。每次服用一钱五分，饭后用米汤调服。
千金磁朱丸（见卷二，主治明目，常服可使百岁之人仍能阅读细小文字，对眼目大有益处。按：此方中磁石法象水入肾，朱砂法象火入心，而神曲专入脾胃，这是道家“黄婆媒合婴儿”的道理，倪生对此的解释过于繁琐。或者加入沉香五钱以升降水火，效果更佳。）
古人在治疗肾虚及助孕种子方中，常常使用磁石。近代人拘泥于金石类药物难消化的说法，大多不知道使用。然而磁石的性质能够吸引铁，因此使用它也是借其引肺金之气入肾，使其母子相生。水得到金的清肃作用而清澈，相火不攻自退。唉！医学的神妙之处在于幽微深奥之处，这话只能与懂行的人说。
冲和养胃汤（见卷二）
When looking at a stationary object, it appears to shake or move; this is due to insufficient Kidney Water and the upward disturbance of Fire pathogenic factors. If not controlled, leading to the descent of Shen Guang (spiritual light/vision), one will regret not heeding the doctor's advice back then.
This condition refers to perceiving stationary objects as vibrating or shaking. It is caused by Fire pathogenic factors in the Qi level harming the body, where Kidney Water fails to restrain them, causing Yang pathogens and deficient Fire to rotate upward, resulting in tremors and instability in vision or head movement.
The Shen Guang (vision) is about to descend; if prolonged, even the ground may appear to move, leading to the formation of internal cataracts. Those who indulge in alcohol, crave dry and hot foods, suffer from Head Wind Phlegm-Fire, or have Yin deficiency and Blood insufficiency often experience this ailment. It is suitable to take:
Gouteng San (Uncaria Decoction)
Gou Teng (Uncariae Ramulus cum Uncis), Chen Pi (Citri Reticulatae Pericarpium), Maidong (Ophiopogonis Radix), Shigao (Gypsum Fibrosum), Jia Ju Hua (Chrysanthemi Flos), Renshen (Ginseng Radix et Rhizoma), Tian Ma (Gastrodiae Rhizoma), Fang Feng (Saposhnikoviae Radix), Baifuling (Poria), Lurong (Cervi Cornu Degelatinatum), Zhi Banxia (Pinelliae Rhizoma Preparatum), Gancao (Glycyrrhizae Radix et Rhizoma) (equal parts).
Grind the above herbs into coarse powder. Take four qian per dose, with three slices of fresh ginger, decocted in water.
Seeing objects inverted is the most peculiar disease, caused by Head Wind, Phlegm-Qi, and Fire. Repeated reversal of Yin and Yang damages the Shen Guang, making houses seem to collapse and the earth to shift. Do not say that dizziness has no other consequences; only when blindness occurs will one regret missing the opportunity for medical treatment.
This condition refers to seeing everything vibrating and inverted. It is like spinning around and then stopping; objects appear to move or stand upside down. This is because the Qi mechanism is disordered, Yin and Yang reverse repeatedly, damaging the True Yuan (Primal Qi), weakening Yin Essence, while Yang pathogens attack upward, causing deficient vertigo and tremors. Some patients suffer several attacks a year, others several times a month. If objects appear inverted during an attack, it indicates that Shen Guang has descended. Treatment should differentiate the cause—whether due to Wind, Deficiency, Phlegm, or Fire—and treat accordingly. If wind-induced vertigo is disregarded, and lifestyle habits continue to damage the body, internal cataracts are inevitable. It is suitable to take:
Lingyangjiao San (Saiga Tataricae Cornu Decoction)
Zhi Banxia (Pinelliae Rhizoma Preparatum, processed seven times), Danggui Shen (Angelicae Sinensis Radix), Chuanxiong (Ligustici Chuanxiong Rhizoma), Baizhi (Angelicae Dahuricae Radix), Fang Feng (Saposhnikoviae Radix), Tian Ma (Gastrodiae Rhizoma), Zhike (Aurantii Fructus Immaturus), Gancao (Glycyrrhizae Radix et Rhizoma) (each 2.5 qian), Fushen (Poria cum Radix et Wood), Lingyangjiao (Saigae Tataricae Cornu, finely powdered) (each 1 liang).
Grind the above herbs into coarse powder. Take four qian per dose, with three slices of fresh ginger, decocted, strained, and taken warm.
Seeing one object as two results from Yin-Yang imbalance, insufficiency of Liver and Kidney, and scarcity of essence. Shen Guang is about to fall from the pupil; seek medical help urgently rather than merely praying. Without a skilled physician to regulate the True Yuan, how long will the internal cataract haze last? If accompanied by redness and pain but mild symptoms, recovery is easy once Fire subsides. However, chronic diplopia (seeing double constantly) is difficult to treat, and early restoration of vision should not be expected.
This condition refers to perceiving a single object as two. It is caused by the depletion and decay of Shen Guang, with obstruction and damage on one side. The pathology lies in the Gallbladder and Kidney. Insufficiency of the True Essence of the Gallbladder and Kidney causes the "Solar Light" (Yang function) to lose its support, resulting in visual confusion and diplopia. If the eyes are red and painful with diplopia, it is due to Fire stagnating in the collaterals, preventing Yin Essence from ascending to nourish Shen Guang, allowing Yang pathogens to disturb Shen Guang and cause double vision. For example, during eye disease, one lamp may appear as two or three lamps. It is suitable to take:
Bugan San (Liver-Nourishing Decoction)
Treats Liver-Wind internal cataracts characterized by no pain or itching, with visual hallucinations of flowers or colors (yellow, white, black, red), or difficulty distinguishing one object as having two shapes.
Cheqianzi (Plantaginis Semen), Huangqin (Scutellariae Radix), Chuan Qianghuo (Notopterygii Rhizoma et Radix), Xixin (Asari Radix et Rhizoma), Heixuanshen (Scrophulariae Radix Nigricans) (each 1 liang), Renshen (Ginseng Radix et Rhizoma), Baifuling (Poria) (each 2 liang), Fang Feng (Saposhnikoviae Radix), Lingyangjiao (Saigae Tataricae Cornu, powdered) (each 3 liang).
Grind the above herbs into fine powder. Take 1.5 qian per dose after meals, mixed with rice water.
Qianjin Cizhu Wan (Thousand-Gold Magnetite and Cinnabar Pill) (See Volume II, indicated for improving vision; regular use allows people over a hundred to read small print, greatly benefiting the eyes. Note: In this formula, Cishi (Magnetitum) corresponds to Water entering the Kidney, Zhusha (Cinnabaris) corresponds to Fire entering the Heart, and Shenqu (Medicated Leaven) enters the Spleen and Stomach. This reflects the Daoist principle of the "Yellow Matriarch" mediating between the infant (Kidney) and mother (Heart). Ni Sheng's explanation was overly verbose. Adding Chenxiang (Aquilariae Lignum Resinatum), 5 qian, to regulate the ascent and descent of Water and Fire is particularly effective.)
Ancient physicians frequently used Cishi (Magnetitum) in formulas for Kidney deficiency and fertility. Modern practitioners, constrained by the notion that metallic minerals are hard to digest, rarely use it. However, since Cishi attracts iron, using it leverages its ability to guide Lung Metal Qi into the Kidney, promoting mutual generation between mother (Metal) and child (Water). When Water is clarified by Metal, Ministerial Fire retreats spontaneously. Alas! The subtlety of medicine lies in profound mysteries; such words can only be understood by those with insight.
Chonghe Yangwei Tang (Harmonizing and Stomach-Nourishing Decoction) (See Volume II)