目的：观查视疲劳与视屏显示终端(VDT)屈光不正特点，探讨预防及治疗原则。
Objective: the view scrutiny is weary and the VDT ametropia characteristic, the discussion prevention treatment principle.
目的：观查视疲劳与视屏显示终端(VDT)屈光不正特点，探讨预防及治疗原则。
Objective: the view scrutiny is weary and the VDT ametropia characteristic, the discussion prevention treatment principle.
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