Eye Diagnosis: Traditional Chinese Medicine Approach

By SEASONS Wellness Editorial Team | July 26, 2026 | Traditional Chinese Medicine

The Eyes as Windows to Internal Health

In Traditional Chinese Medicine, the eyes are regarded as the openings of the liver on the body's surface. The liver meridian connects directly to the eyes, making them a primary diagnostic site for assessing liver blood sufficiency, liver qi flow, and overall vitality. The classic TCM text, the Huangdi Neijing or Yellow Emperor's Classic of Internal Medicine, states that the liver opens into the eyes, and when liver blood is abundant, the eyes can see clearly. This connection explains why prolonged screen time and visual strain deplete liver energy, and why chronic stress often produces eye discomfort. Beyond the liver, the eyes also reflect the condition of the heart, kidneys, and other organ systems, making comprehensive eye diagnosis an essential TCM skill.

Eye Color and Organ Health

The whites of the eyes, or sclera, provide valuable diagnostic information. A bright white sclera with subtle vascular patterns indicates healthy circulation and adequate liver function. Yellowing of the sclera, known as jaundice in Western medicine, signals liver and gallbladder dysfunction with accumulated damp-heat in the liver meridian. This requires prompt medical evaluation. Redness in the sclera can indicate several patterns depending on distribution and intensity. Diffuse redness suggests external wind-heat invasion or liver fire blazing upward, often accompanied by irritability, headache, and bitter taste. Localized red patches point to blood stasis in specific meridian pathways. A pale or bluish sclera may indicate blood deficiency or cold patterns, particularly when accompanied by pale lips and a pale tongue.

Eye Brightness and Spirit

In TCM, the brightness or luster of the eyes reflects the strength of shen, or spirit, which is housed in the heart. Eyes that are bright, clear, and responsive suggest healthy heart shen and abundant qi. Dull, lifeless eyes may indicate depleted qi blood or disturbed shen, potentially linked to insomnia, anxiety, depression, or chronic illness. Practitioners assess the coordination and responsiveness of eye movement during consultation. Eyes that move smoothly and track appropriately indicate healthy liver function, while jerky or uncoordinated movements may suggest liver wind, a TCM pattern associated with dizziness, tremors, or neurological symptoms.

Dark Circles and Eye Bags

Dark circles beneath the eyes commonly indicate kidney deficiency in TCM diagnosis. The kidneys govern water metabolism and store essential essence. When kidney energy is depleted through overwork, insufficient sleep, or chronic stress, dark pigmentation appears beneath the eyes. Kidney yin deficiency typically produces dark circles with a reddish or dark hue, accompanied by hot flashes, night sweats, and dry mouth. Kidney yang deficiency produces darker, bluish circles with accompanying cold extremities, frequent urination, and fatigue. Puffy eye bags relate more to spleen deficiency, where fluid metabolism is impaired, causing water accumulation. Distinguishing between dark circles and puffiness helps identify whether the primary imbalance lies in the kidneys or the spleen, guiding appropriate therapeutic interventions.

Eye Discomfort and Internal Imbalances

Different types of eye discomfort signal specific TCM patterns. Dry eyes frequently indicate liver blood deficiency, where insufficient nourishment reaches the eyes. This pattern commonly develops with aging, prolonged screen use, or after childbirth. Itchy eyes suggest wind-heat invasion, often associated with seasonal allergies. Bloodshot painful eyes indicate liver fire, while blurry or obscured vision may point to kidney essence deficiency or phlegm obstructing the meridians. A gritty sensation suggests liver yin deficiency with empty heat rising. Understanding these patterns helps identify underlying organ imbalances rather than merely treating surface symptoms. Addressing the root cause through diet, lifestyle, and herbal therapy produces more lasting relief than symptom management alone.

The Five Wheels of Eye Diagnosis

TCM employs a sophisticated system called the Five Wheels for detailed eye diagnosis. Each region of the eye corresponds to a specific organ system. The outer canthus or corner relates to the heart and small intestine. The sclera or white of the eye corresponds to the lungs and large intestine. The iris is associated with the liver and gallbladder. The pupil connects to the kidneys and bladder. The inner canthus relates to the spleen and stomach. By examining changes in each wheel region, practitioners can identify which organ systems are experiencing dysfunction. This detailed regional mapping allows for precise diagnosis and targeted treatment strategies that address the specific organs involved rather than applying generic eye treatments.

Dry Eyes from a TCM Perspective

Dry eye syndrome affects millions worldwide and is increasingly common with extensive screen use and aging. In TCM, chronic dry eyes typically involve liver blood deficiency, kidney yin deficiency, or a combination of both. Liver blood deficiency means insufficient blood reaches the eyes to provide moisture and nourishment. Kidney yin deficiency indicates a lack of cooling, moistening fluids throughout the body. Treatment focuses on nourishing blood and yin through dietary therapy, herbal medicine, and lifestyle modification. Blood-nourishing foods include dark leafy greens, goji berries, Chinese dates, and animal liver if appropriate. Yin-nourishing choices include pear, lily bulb, tremella mushroom, and adequate hydration. Reducing screen time, especially before sleep, allows the liver to rest and regenerate, while gentle eye exercises and warm compresses improve local circulation.

Supporting Eye Health Naturally

Beyond treating specific conditions, TCM offers preventive strategies for maintaining optimal eye health. Regular acupressure on points around the eyes, such as Zanzhu at the inner eyebrow and Sibai beneath the eye, promotes circulation and relieves strain. The practice of palming, where you cup warm palms over closed eyes for several minutes, relaxes the visual system and stimulates tear production. Consuming a diet rich in beta-carotene, including carrots, sweet potatoes, and dark leafy greens, supports eye health from both TCM and nutritional perspectives. Goji berries, a revered TCM tonic for the eyes, contain high levels of zeaxanthin and lutein, antioxidants that protect retinal health. Chrysanthemum tea, steeped from dried flowers, clears liver heat and benefits vision, making it an ideal daily beverage for those who work extensively with screens.