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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Ageing Res Rev. 2019 May 30;53:100913. doi: 10.1016/j.arr.2019.100913

Figure 1:

Figure 1:

The wavelengths of visible light, ultraviolet light, infrared light, and their effects on aging. As indicated in the figure, the wavelength of visible light is between 380 to 720 nm; ultraviolet light is less than 380 nm; infrared light is greater than 720 nm. The effects on aging of ultraviolet light (UV), near-infrared light (NIR), blue light, and visible light are listed briefly in the figure, and explained in further detail in the text.