Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector4995710.17816/kazmj49957Research ArticleObservations on the change in the blood picture under the action of artificial lightNechaevP. V.info@eco-vector.comChildren's Clinic of Kazan State University130219302621431481011202010112020Copyright © 2020, Nechaev P.V.2020<p><span class="VIiyi" lang="en"><span class="JLqJ4b" data-language-for-alternatives="en" data-language-to-translate-into="ru" data-phrase-index="0">Treatment with artificial light has recently been widely used in the prevention and treatment of many childhood diseases. Everyone knows the life-giving effect of the sun's rays on the growing body of a child. It is based mainly on the action of ultraviolet rays, which are rich in the solar spectrum. Due to climatic conditions, the use of natural sunlight is limited, especially in our latitudes, and for a long time there have been attempts to find a light source that would have a photo-chemical effect. close to the sun. These turned out to be a Bach mercury-quartz lamp and a carbon-arc lantern, rich in blue, violet and ultraviolet rays.</span></span></p>Kazan Medical archiveКазанский медицинский архив