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Safety of vehicles
Many vehicles are not governed by the European Machinery Directive, but are subject to special requirements. The standards and specifications governing these vehicles differ from those for other products in their relationship with statutory provisions. The importance of clearly defined interfaces in the body of regulations and good product design for safe operation of the vehicles is illustrated by the examples of railway locomotives and ambulances.
KAN Study 08/2018
Validated OSH-related findings concerning the non-visual effect of light upon human beings - A literature review
The literature review discusses the latest OSH-related findings of scientific studies into the non-visual effects of light. In order for the non-visual effects of light to be considered as broadly as possible, a number of specialist disciplines – chronobiology, occupational medicine and lighting technology – were involved in the KAN Study. The comprehensive assessment from the perspective of lighting technology can be found in the annex. This assessment sets out principles of lighting technology and current knowledge of potential harm to the eyes caused by an excessively intense blue light component.
The available studies into the non-visual effects of light were conducted primarily under controlled conditions (for example in sleep laboratories). They generally involved only small numbers of test subjects, or were animal experimental studies. These studies are well suited to identifying cause-effect relationships. In turn, the cause-effect relationships facilitate transfer of the results of studies to scenarios beyond those studied. Laboratory studies cannot however describe the actual circumstances at workplaces. Additional studies at workplaces (field studies) involving large numbers of test subjects are therefore important, even though such studies may also be subject to confounding influences that are difficult to control.