What are UVA and UVB rays?
Ultraviolet (UV) Radiation: Types, UV Index, and Eye Protection Sunlight contains different types of electromagnetic radiation, including ultraviolet (UV) rays, which are invisible to the human eye. UV radiation is classified into three types based on wavelength: UVC, UVB, and UVA. Each type affects the skin and eyes differently. UVC UVC (100–280 nm) is the […]