Proceedings PaperThe Effects Of Atmospheric Ions On Visual Parameters
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With the advancement of long duration of manned space flight and prolonged submergence of the nuclear powered submarine, research on the effects of atmospheric contaminants on human visual performance has been increased. Atmospheric ions could cause changes in efficiency of visual performance. The present paper is concerned with systematic review of articles on the effect of atmospheric ions on visual performances. In general, exposure to certain amount of negative ions enhance certain aspects of visual parameters such as brightness discrimination and motion detection, while certain amounts of positive ions deteriorate most visual performances. The need for the control of air ions in maintaining optimal environmental conditions has been suggested in this paper.