 As he emphasized in his architecture (such as Notre Dame du Haut), daylighting has been a major architectural design element (See MIT Chapel and Church of the Light for examples).Not only the aesthetic aspects, the impact of daylighting on human health and work performance is also considered as qualitative daylighting.The current studies show that lighting conditions in workplaces contribute to a variety of factors related to work satisfaction, productivity and well-being and significantly higher visual acceptance scores under daylighting than electrical lighting.