Approximately fifty percent of sunlight reaching the Earth’s surface is visible light (400-700 nm). Other sources of visible light include lasers, light-emitting diodes (LEDs), and flash lamps. Photons from visible …
Visible Light Part II. Photoprotection against visible and ultraviolet light.
Cutaneous photobiology studies have focused primarily on the UV portion of the solar spectrum. However, VL comprises 50% of EMR that reaches the earth’s surface, and, as discussed in Part …