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UV Radiation
Infrared Radiation (IR)
Laser
BfS Papers on the Topic

Optical Radiation

SunsetOptical Radiation

Optical radiation is part of the electromagnetic spectrum. It is subdivided into ultraviolet radiation (UV), the spectrum of light visible for man (VIS) and infrared radiation (IR). Optical radiation may produce positive as well as negative effects. It is therefore necessary to arrange for reasonable exposure to optical radiation. Primarily UV-radiation, but also IR-radiation, may be both beneficial and detrimental for man. The natural source of both types of radiation is sun. Artificial sources of UV-radiation are among others UV-lamps or emitters as for example in solaria. Artificial IR-radiation is generated by devices such as light bulbs or radiant heaters.

Excessive exposure to natural or artificial UV-radiation means immediate (acute) and long-term (chronic) damage to the eye and skin. Excess of IR-radiation may also cause health detriment. Recent studies have shown that chronic exposure to IR-radiation alone or combined with UV-radiation may induce skin damage. It is therefore necessary to arrange for reasonable exposure to optical radiation.
 

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