长期从事显微作业,可影响视力及视集合功能的减弱或异常,从业3～5年有近1/3的工人因此被迫调离工作岗位。结果不但损害工人健康,同时又造成熟练工人的减少而影响生产效率。造成这种影响的主要原因是长时间连续操作导致视疲劳,研究制订合理的劳动休息制度是有效的预防措施。 Engaged in micro-operations for a long time, can affect the visual acuity and visual function as a set of weakening or abnormal, working 3 to 5 years, nearly 1/3 of the workers were forced to transfer from the job. As a result, not only the workers’ health is impaired, but also the reduction of skilled workers results in the loss of productivity. The main reason for this is the continuous visual fatigue caused by continuous operation over a long period of time. It is an effective preventive measure to study and formulate a reasonable system of working rest.