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Light ergonomics is the relationship between the light source and the individual.〔("The Ergonomics of Light" ) by Bradford J. Powell, ''Buildings.com'', October, 2002, retrieved November 3, 2007〕 Poor light can be divided into the following: *Individual or socio-cultural expectations *Insufficient light *Poor distribution of light *Improper contrast *Glare *Flicker *Thermal heating (over or under) *Acoustic noise (especially fluorescents) *Color spectrum (amber street lighting) ==Effects of poor light== The effects of poor light can include the following: *low productivity *high human error rates *inability to match or select correct colors *eyestrain *headache *a reduction in mental alertness *general malaise *low employee morale : 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Light ergonomics」の詳細全文を読む スポンサード リンク
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