Polychromatic polarized light therapy (Bioptron) is one of the most popular types of light therapy, which is in great demand among all patients around the world. The procedure is performed using a special device "Bioptron" and is widely used in clinical practice. Directed beam of polarized light, affect the problem areas from a certain distance, for 2-3 minutes, the total duration of the procedure is no more than 10 minutes. Treatment is carried out daily, with a course of 8 to 10 procedures.