视屏显示终端(VDT)作业通常指操作电子计算机显示工作。VDT的开发应用使大量微机进入办公室和家庭,不出家门的工作成为一种时尚。这样VDT作业接触者与日俱增.国内外学者对VDT作业影响健康情况进行了调查研究,认为工作过程中作业人员不仅承受高度的精神紧张和较大的心理负荷,同时还要受到作业环境中的种种不良因素的联合作用。对操 Visual Display Terminal (VDT) jobs usually refer to the operation of a computer display job. VDT development and application of a large number of computers into the office and home, work out of doors became a fashion. VDT homework contacts are increasing day by day.Domestic and foreign scholars conducted a survey on the health effects of VDT homework operations and concluded that workers not only endured a high degree of mental stress and psychological stress during the work process but also suffered from various kinds of problems in the working environment The combined effect of factors. Right operation