Scientific journal
Научное обозрение. Медицинские науки
ISSN 2500-0780
ПИ №ФС77-57452

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STUDY OF LED LIGHT SOURCE EFFECTIVENESS AND HEALTH SAFETY

Gizinger O.A. 1 Osikov M.V. 2 Telesheva L.F. 2 Dolgushin I.I. 1 Ogneva O.I. 2 Fedosov A.A. 3 Kudryashov A.V. 4 Vakhitov M.G. 4 Kalinina A.S. 4
1 Research Institute of Immunology
2 Research and Education Center of Basic Medicine Issues
3 State Funded Educational Institution of Higher Professional Education “South Ural State Medical University” of the Ministry of Health of the Russian Federation (454092
4 Federal State Funded Educational Institution of Higher Professional Education “South Ural State University” (National Research University)
The study investigates LED light sources and their influence on the visual analyzer, nervous system and human health in general. The objectives are to conduct research on LED biosafety and assess the LED lighting influence on the optical system accommodation, the lens state, the brightness perception of retina, to develop a scheme of LED rational use for light-color design of human environment. To achieve this goalup-to-date scientific, technical, regulatory, methodological literature on the choice of the suitable study methods of the visual analyzer was reviewed, the volunteers’ visual acuity was checked, the contrast sensitivity, the capacity of the visual analyzer were examined, correlation analysis of the expert and objective assessments of the vision system and the body in general was performed. Integrated ophthalmologic and neurophysiological studies with qualitative and quantitative assessment of the LED influence on the nervous system were performed. Ophthalmic, psychophysiological, electrophysiological and statistical methods were used. The study revealed an increased stability of subjects’ functional state, irrespective of sex, with an identical visual load in LED lighting environment compared with reference light conditions. The study showed LED lighting within optical radiation range designed according to human physiology not to result in nervous system and visual analyzer impairment. The findings can be used for working out regulations and illumination rate setting for low, medium, high-accuracy operation taking into account LED requirements for general and local lighting and requirements for illuminance and color temperature.