The criteria for determining mild dry eye should be combined with the patient’s symptoms and examination results. If the patient’s dry eye symptoms do not affect normal life, and the tear secretion test result is less than 10mm/5min and more than 5mm/5min, then it can be diagnosed as mild dry eye. Dry eye is a more common disease in ophthalmology, which can seriously reduce the quality of life of patients. Usually, patients will experience symptoms such as dry eyes, tingling, foreign body sensation, etc. If the patient’s symptoms are not serious and do not affect normal life, it means that the symptoms are mild. At this time, it is also necessary to do further examination of tear secretion test, under normal circumstances, the tear secretion test results should be greater than 10mm/5min, if less than the normal value, and at the same time greater than 5mm/5min, combined with the patient’s symptoms can be diagnosed as mild dry eye. At this time, you can under the guidance of the doctor through the point of artificial tears eye drops for treatment to alleviate the symptoms, such as commonly used carboxymethylcellulose eye drops, polyethylene glycol eye drops and so on.