What causes yellow spots on the white of the eye?

Under normal circumstances, yellow spots on the white part of the eye may be caused by aging, sun exposure, pterygium, conjunctival nevus, viral hepatitis, and other reasons. It is recommended to seek medical attention promptly and receive symptomatic treatment under the guidance of a professional doctor. Specific analysis is as follows:

1. Aging

With advancing age, the body's metabolism slows down, leading to accumulation of metabolic byproducts in the sclera (white of the eye), which can form yellow spots that may appear slightly raised. Maintaining a balanced diet, engaging in moderate exercise, and keeping a regular sleep schedule are important in daily life.

2. Sun Exposure

Prolonged exposure to sunlight, especially direct irradiation of the eyes, increases the risk of macular degeneration. This condition may lead to symptoms such as decreased vision and visual distortion. Wearing sunglasses when outdoors helps reduce direct ultraviolet radiation exposure.

3. Pterygium

Pterygium is a common ocular surface disease often associated with long-term exposure to dusty environments and ultraviolet radiation, which may result in yellowish patches on the white of the eye. Symptoms may include foreign body sensation, dry eyes, and conjunctival congestion. Treatment may include pranoprofen eye drops, gentamicin sulfate and fluorometholone eye drops, or compound neomycin sulfate eye drops, as directed by a physician.

4. Conjunctival Nevus

A conjunctival nevus is a congenital benign hamartoma caused by abnormal development of conjunctival cells, resulting in abnormal clustering of pigment cells within the conjunctival tissue and forming yellowish spots on the sclera. It may be accompanied by mild discomfort such as eye fatigue and dryness. Laser therapy or cryotherapy under medical supervision—using liquid nitrogen's low temperature to induce necrosis of the affected tissue—may be used for treatment.

5. Viral Hepatitis

Viral hepatitis damages liver cells and disrupts bilirubin metabolism, leading to jaundice that may affect the sclera, causing yellow spots. Other symptoms may include generalized yellowing of the skin, dark yellow urine, fatigue, and weakness. Medications such as entecavir capsules, compound glycyrrhizin tablets, and silybin capsules should be taken according to medical advice.

To maintain eye health, it is important to protect the eyes in daily life by avoiding prolonged exposure to intense light or harmful environments, and to maintain healthy lifestyle habits and regular作息 (daily routines) to prevent eye problems.