For other uses, see Ultraviolet (disambiguation). Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays. It can be subdivided into near UV (380–200 nm wavelength), far or vacuum UV (200–10 nm; abbrev. FUV or VUV), and extreme UV (1–31 nm; abbrev. EUV or XUV). When considering the effect of UV radiation on human health and the environment, the range of UV wavelengths is often subdivided into UVA (380–3 ...
Wikipedia - [full article]

From the WEST  scientific·clinical

From the EAST  traditional·alternative

Related Medications