四、照明与视力我国目前仍以1.0的视力做一般的正常值。各种工种的视力标准要根据被观察目标细节的微细程度和作业性质不同稍有差别。即使具有最佳视力的人持续使用其视力的临界阈值进行视作业,也很容易产生视疲劳使工作效率随之降低。所以一般的照明 Fourth, lighting and vision China is still 1.0 to do normal normal vision. Eyesight standards for various types of work vary slightly depending on the level of detail and the nature of the work being observed. Even if people with the best eyesight continue to use their critical thresholds for visual acuity, visual fatigue can easily occur, reducing work efficiency. So the general lighting