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Int. J. Environ. Res. Public Health 2017, 14(6), 606; doi:10.3390/ijerph14060606

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

1
School of Public Health, China Medical University, Shenyang 110122, Liaoning, China
2
Chinese Journal of Health Statistics Magazine, Shenyang 110122, Liaoning, China
*
Author to whom correspondence should be addressed.
Academic Editor: Hanns Moshammer
Received: 12 April 2017 / Revised: 17 May 2017 / Accepted: 2 June 2017 / Published: 6 June 2017
(This article belongs to the Section Environmental Health)
View Full-Text   |   Download PDF [7730 KB, uploaded 6 June 2017]   |  

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 (UVBEskin) and UVBEskin radiant exposure (HBEskin) causing skin damage. The results indicate that the UVBEskin is directly influenced by variations in rotation angles. A significant decrease of approximately 52.70% and 52.10% in UVBEskin 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 HBEskin 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 HBEskin 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. View Full-Text
Keywords: risk assessment; UV irradiance; biologically effective; skin damage risk assessment; UV irradiance; biologically effective; skin damage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, F.; Gao, Q.; Deng, Y.; Chen, R.; Liu, Y. Risk Assessment of Face Skin Exposure to UV Irradiance from Different Rotation Angle Ranges. Int. J. Environ. Res. Public Health 2017, 14, 606.

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