Change of subjective and ophthalmological fatigue during long-term VDT work
Nowadays,since visual display terminals have been widely used in office for all day work,the research on the effect of long time work is still insufficient.In addition,the impact of LED light source for all day work is not clear.In this paper,the visual fatigue caused by long-term VDT work under LED luminaires with 300lux illuminance level was investigated through subjective questionnaire and ophthalmological parameters.The results showed that all the subjective symptoms got severer with increasing working time.Ophthalmological parameters of NPA,CFF,BUT,BCDVA and BCNVA were significantly influenced by working time under LED luminaires.The NPC,PRA and NRA were not significant influenced by working time under LED luminaires.The ophthalmological parameters NPC,CFF,BCDVA,BCNVA and PRA showed close relationship with the subjective state of visual fatigue.
visual fatigue Ophthalmological parameter Long-term VDT work LED light source
Ying Wang Xuefei Zhong Chun Zhang Yan Tu
Dong Fei R&D Center,School of Electronic Science and Engineering,Southeast University,Nanjing,China
国内会议
深圳
英文
1-5
2015-11-02（万方平台首次上网日期，不代表论文的发表时间）