Light therapy is used to prevent and treat disease with the application of sunlight and its visible rays r invisible rays from artificial light sources, such as ultraviolet light therapy, visible light therapy, infrared therapy, laser therapy, etc. 

The UV light benefits to inflammation, infection, and pain. It accelerates the regeneration of tissue, to improve the nerve function. UV light therapy has a positive effect on the following diseases: rheumatic inflammation of muscles and nerves, acute or chronic superficial purulent inflammation, peripheral neuritis, multiple neuritis, neuralgia, neurosis, etc.