Sore eyes are common when you use your eyes too much, but they can also be a symptom of certain diseases, such as conjunctivitis and dry eye, which should be treated in a timely manner by consulting a doctor to find out the cause of the disease. Excessive use of the eyes, such as lack of sleep and prolonged use of electronic products, can lead to eye soreness and inability to open the eyes. You should rest your eyes in a timely manner, look away and relax your eyes after a period of time, and get enough sleep at the same time. Conjunctivitis can produce inflammatory substances, which can also lead to sore eyes. If it is caused by bacterial infection, antibiotics can be applied for treatment, such as levofloxacin. Dry eye syndrome can lead to cause tear film stability decreased, also prone to dry and sore eyes symptoms. Generally, artificial tears such as sodium vitrate drops should be applied to alleviate the symptoms, and at the same time, good eye habits should be practiced. If the symptoms are not relieved after sufficient eye rest, it is recommended to consult a doctor for examination, after clarifying the cause, treatment and medication under the guidance of the doctor, do not self-medication.