视疲劳又称眼疲劳,致病因素很多。主要表现近距离工作不能持久,眼睛容易疲劳,出现视物模糊,眼睫无力,看书复视串行,眼沉目胀,干涩不舒,或有怕日羞明、前额拘急,眉骨酸痛;严重者可伴有头痛、眩晕、烦躁、健忘、呕恶、食欲不振等全身症状。作者根据 Visual fatigue, also known as eye fatigue, has many pathogenic factors. The main performance of the short-distance work can not be sustained, the eyes are prone to fatigue, there is blurred vision, eyelid weakness, reading diplopia serial, eyes Shenzhang expansion, dryness is not comfortable, or afraid of the day shame, forehead urgency, brow bone soreness; Severe cases may be accompanied by systemic symptoms such as headache, dizziness, irritability, forgetfulness, nausea, and loss of appetite. According to the author