Sunken eyes, medically termed tear trough hollows, describe a recessed or hollow appearance directly beneath the lower eyelid. This condition creates a noticeable shadow that can make the individual look perpetually fatigued or older. The appearance results from a depression where the lower eyelid meets the cheek, often due to a lack of underlying soft tissue volume in the orbital area. This concern stems from structural anatomy and various lifestyle or environmental factors. Understanding the specific underlying causes helps determine the appropriate course of action.
Primary Underlying Causes
The appearance of hollowing beneath the eye can often be traced back to inherited bone structure and facial anatomy. Some individuals naturally possess a deeper-set eye position within the socket, known as enophthalmos, which creates a pronounced tear trough from a young age. The natural contour of the skull’s orbit dictates how light and shadow fall on the lower eyelid area, influencing the perceived depth and darkness.
Physiological aging represents a progressive structural cause. With passing years, the face experiences a gradual loss of fat compartments, including the malar fat pad in the cheek area. This volume depletion, combined with the thinning of skin and the breakdown of supporting collagen, causes the delicate periorbital skin to drape over the orbital rim. Bone resorption of the cheekbones can also contribute to a loss of suborbital support, further accentuating the hollowed appearance.
Acute changes in the body’s fluid balance provide a temporary yet noticeable cause for the sunken look. Dehydration causes a reduction in the overall volume and plumpness of body tissues, a change especially visible in the thin skin surrounding the eyes. When the body lacks sufficient water, the skin loses its elasticity, making the underlying dark blood vessels and the sharp contour of the orbital bone more prominent. This effect is recognizable in cases of severe fluid loss due to illness or insufficient intake.
Periods of exhaustion also contribute significantly to the temporary appearance of tired eyes. Lack of adequate rest can disrupt the body’s microcirculation, leading to fluid retention and puffiness that paradoxically emphasize the tear trough shadow. Rapid or significant weight loss removes the facial fat pads that provide cushioning and support beneath the skin. When this supporting fat is quickly diminished, the skin around the eyes may appear looser and more recessed, instantly revealing the bony structure beneath.
Home and Lifestyle Management
Addressing fluid intake is a direct method to mitigate the appearance of temporary hollowing caused by fluid imbalance. Proper hydration helps maintain the turgor and plumpness of skin cells throughout the body, including the delicate area beneath the eyes. Consistent water consumption prevents the sharp visibility of the orbital rim that occurs when the skin is dehydrated.
Optimizing sleep quality and duration is an effective strategy. Adults should aim for a consistent seven to nine hours of rest each night to allow the body to properly regulate circulation and fluid distribution. Improved sleep hygiene helps minimize the dark shadowing caused by poor blood flow and fluid buildup associated with fatigue.
Dietary choices offer internal support for the skin’s structure and resilience. Consuming foods rich in protein provides the necessary amino acids, such as glycine and proline, which serve as the building blocks for collagen synthesis. Vitamin C is also necessary, as this vitamin acts as a cofactor in the binding and formation of collagen fibers. Sources like citrus fruits, bell peppers, and kiwi can support the skin’s structural integrity.
Topical treatments can offer visible improvements by targeting circulation and skin density. Creams containing retinoids, a form of Vitamin A, promote accelerated cell turnover and stimulate collagen production. Starting with a lower concentration of retinoid is often recommended to allow the thin periorbital skin to adjust to the powerful ingredients.
Caffeine is a well-regarded topical ingredient for reducing the shadowed appearance. When applied, caffeine acts as a vasoconstrictor, narrowing the blood vessels beneath the skin. This constriction lessens the visibility of the dark, underlying blood flow, which is often a cause of dark circles. Additionally, caffeine has diuretic properties that help reduce temporary fluid retention and puffiness around the eyes.
When Professional Intervention is Necessary
While often a cosmetic concern, the sudden onset of sunken eyes accompanied by specific symptoms may signal an acute health issue requiring medical attention. Persistent hollowing, especially when combined with a fast heart rate, dizziness upon standing, or extreme fatigue, can indicate significant dehydration that lifestyle changes alone cannot correct. In children, sunken eyes combined with severe vomiting or diarrhea is a sign of severe fluid loss that necessitates immediate medical evaluation.
The appearance of sunken eyes can also be a secondary symptom of underlying conditions such as anemia, thyroid disorders, or severe nutritional deficiencies. If the hollowing persists despite adequate rest and hydration, a healthcare provider can rule out these medical causes.
For chronic hollowing stemming from structural or age-related volume loss, cosmetic procedures offer solutions.
Dermal Fillers
Dermal fillers, typically made of hyaluronic acid, are injected beneath the tear trough to instantly restore lost volume and create a smoother transition between the eyelid and the cheek. This non-surgical technique provides immediate results but requires periodic maintenance.
Fat Grafting
An alternative is fat grafting, which involves harvesting the patient’s own fat from another area of the body and transferring it to the periorbital region. Fat grafting is considered a more permanent solution for volume restoration, though it is a more involved procedure than simple filler injections.

