Risk Assessment of Face Skin Exposure to UV Irradiance from Different Rotation Angle Ranges

Fang Wang, Qian Gao, Yan Deng, Rentong Chen and Yang Liu
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Fang Wang: School of Public Health, China Medical University, Shenyang 110122, Liaoning, China
Qian Gao: School of Public Health, China Medical University, Shenyang 110122, Liaoning, China
Yan Deng: Chinese Journal of Health Statistics Magazine, Shenyang 110122, Liaoning, China
Rentong Chen: School of Public Health, China Medical University, Shenyang 110122, Liaoning, China
Yang Liu: School of Public Health, China Medical University, Shenyang 110122, Liaoning, China

IJERPH, 2017, vol. 14, issue 6, 1-13

Abstract: Ultraviolet (UV) is one of the environmental pathogenic factors causing skin damage. Aiming to assess the risk of face skin exposure to UV irradiance from different rotation angles, a rotating model was used to monitor the exposure of the skin on the face to UV irradiance, with skin damage action spectra used to determine the biologically effective UV irradiance (UVBE skin ) and UVBE skin radiant exposure (HBE skin ) causing skin damage. The results indicate that the UVBE skin is directly influenced by variations in rotation angles. A significant decrease of approximately 52.70% and 52.10% in UVBE skin was found when the cheek and nose measurement sites was rotated from 0° to 90°, while a decrease of approximately 62.70% was shown when the forehead measurement sites was rotated from an angle of 0° to 108°. When HBE skin was compared to the exposure limits (ELs; 30 J·m ?2 ), the maximum relative risk ratios (RR) for cheek, nose, and forehead were found to be approximately 2.01, 2.40, and 2.90, respectively, which were all measured at a rotation angle of 0°. The maximal increase in the percentage of the average HBE skin for rotation angles of 60°, 120°, 180°, and 360° facing the sun to ELs were found to be approximately 62.10%, 52.72%, 43.43%, and 26.27% for the cheek; approximately 130.61%, 109.68%, 86.43%, and 50.06% for the nose; and approximately 178.61%, 159.19%, 134.38%, and 83.41% for the forehead, respectively.

Keywords: risk assessment; UV irradiance; biologically effective; skin damage (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2017
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