Visual fatigue is a common disease in ophthalmology.Patients often feel that their visual objects are easy to fatigue,fuzzy feeling,even pain and discomfort,and produce a series of psychological diseases such as irritability and insomnia.In recent years,with the widespread use of electronic products and the heavy workload of students studies,people use their eyes more closely for a long time,and the incidence of the disease is also significantly higher than before.The complex etiology and changeable symptoms of the disease bring inconvenience and pain to the normal life of the patients and ser...