摘要：The discovery of the specialized photographic ganglion cells, third type photoreceptor cells, has provided new direction of design and lighting research. Based on the analyses of the previous researches, this paper discussed the important role of lighting environment in the biological clock rhythm changes, psychological changes, and physiology characteristic changes, all of which are related to the health. According to these researches, some suggestions about lighting design application were given. Paying more attention to lighting environment and learning how to use proper light is important in our daily lives
