Discolored spots under the corners of the eyes may be sun spots, chloasma, seborrheic keratosis, and so on. 1. Sun spots: some people are exposed to strong ultraviolet rays for a long time due to their work, plus they fail to pay attention to good sun care, which may cause sun spots appearing under the corners of eyes. 2. Chloasma: commonly found in women, due to endocrine changes and so on, it may lead to chloasma under the eyelids of patients, thus causing discoloration under the corners of the eyes. 3. Seborrheic keratosis: Seborrheic keratosis is common in the elderly, usually caused by age factor, genetic factor, sun exposure, etc., which leads to the appearance of more color spots on the local skin of the patient’s body, preferably on the face, chest and back, back of the hands and other parts of the body, which may lead to discoloration under the corners of the eyes. It is recommended that patients with discoloration under the corners of the eyes and other discomforts should consult a doctor in time to evaluate their condition and follow the doctor’s instructions for treatment.