The system is equipped with an ultraviolet lamp and a halogen lamp that produces near-infrared light.

VOA: special.2011.06.07

Ultraviolet light from the sun changes a substance in the skin into vitamin D.

VOA: special.2009.04.21

The main cause of skin cancer is ultraviolet radiation from the sun.

VOA: special.2010.07.06

They say modern automobile windshields block two kinds of ultraviolet radiation.

VOA: special.2010.07.06

The skin is said to look bright green under ultraviolet lighting.

VOA: special.2009.06.23

Ultraviolet,also called U-V,rays cause the skin to burn.

VOA: special.2010.07.06