Ultraviolet spectral distribution and erythema-weighted irradiance from indoor tanning devices compared with solar radiation exposures
| Autor: | Miguel Gómez, Yolanda Sola, Jerónimo Lorente, David Baeza |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
0301 basic medicine
030103 biophysics Meteorology Spectral power distribution Ultraviolet Rays High variability Biophysics Irradiance Radiation medicine.disease_cause Atmospheric sciences Solar irradiance 030207 dermatology & venereal diseases 03 medical and health sciences 0302 clinical medicine medicine Humans Radiology Nuclear Medicine and imaging Zenith Sunlight Radiological and Ultrasound Technology Radiation Exposure Erythema Environmental science Ultraviolet |
| Zdroj: | Journal of Photochemistry and Photobiology B: Biology. 161:450-455 |
| ISSN: | 1011-1344 |
| DOI: | 10.1016/j.jphotobiol.2016.06.014 |
| Popis: | Concern regarding the impact of indoor tanning devices on human health has led to different regulations and recommendations, which set limits on erythema-weighted irradiance. Here, we analyze spectral emissions from 52 tanning devices in Spanish facilities and compare them with surface solar irradiance for different solar zenith angles. Whereas most of the devices emitted less UV-B radiation than the midday summer sun, the unweighted UV-A irradiance was 2-6 times higher than solar radiation. Moreover, the spectral distributions of indoor devices were completely different from that of solar radiation, differing in one order of magnitude at some UV-A wavelengths, depending on the lamp characteristics. In 21% of the devices tested, the erythema-weighted irradiance exceeded 0.3Wm(-2): the limit fixed by the European standard and the Spanish regulation. Moreover, 29% of the devices fall within the UV type 4 classification, for which medical advice is required. The high variability in erythema-weighted irradiance results in a wide range of exposure times to reach 1 standard erythemal dose (SED: 100Jm(-2)), with 62% of devices requiring exposures of |
| Databáze: | OpenAIRE |
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