Abstract
A thermographic study of low-intensity phototherapeutic effects on the human body in situ was carried out. The feature of the work was the measurement of the dynamics of surface temperature changes in a bio-object for 40 min after the cessation of irradiation. The relaxation character of the temperature behavior with quasi-oscillating phenomena during the selected observation period has been established. An explanation of the observed phenomena with the involvement of literature data is proposed. It is shown that 15-min irradiation at a radiation intensity of 14mWcm−2 is optimal for phototherapy at a wavelength of 640 nm. A conclusion was made about the possibility of considering changes in the local temperature of a bio-object as a correlated parameter to determine the optimal dose of radiation during phototherapy.
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