视疲劳又称眼疲劳,主要表现为视力障碍,如近距离用眼时,出现视力模糊、重影、字行重叠、文字跳跃;看近后再看远处时,需片刻才能逐渐看清。眼部症状有眼困倦、怕光、眼睑沉重、睁眼困难、眼球及眼眶周围酸胀感或疼痛、流泪、异物感、眼干涩、眼皮跳动等。严重视疲劳患者还会有不同程度的全身症状,如头痛、头晕、无力、恶心呕吐等。 Visual fatigue, also known as eye fatigue, mainly manifested as visual impairment, such as close eyes with blurred vision, ghosting, word overlap, the text jump; look at the distance in the near future, take a moment to gradually see. Eye symptoms are drowsiness, fear of light, heavy eyelids, difficulty in opening eyes, soreness or pain around the eyes and eyes, tears, foreign body sensation, dry eyes, eyelids beating and so on. Patients with severe visual fatigue will have varying degrees of systemic symptoms such as headache, dizziness, weakness, nausea and vomiting.