12. Jun 2017

Text: RANKO SKANSI, M.SC.E.E.LD.


There have been many books written about Ergonomics, but none of them addresses the topic of light and lighting. This is quite odd, since without light we cannot really talk about Ergonomics at all. On the other hand, hundreds of books exist on the market that talk about light and lighting from different aspects, but none of them addresses the topic of the ergonomics of lighting.

The standard definition of Ergonomics that can be found on Wikipedia and the like goes something like this: „Ergonomics (or human factors) is the scientific discipline concerned with the understanding of interaction among humans and other elements of a system, and the profession that applies theory, principles, data and methods to design in order to optimize human wellbeing and overall system performance.“ There is another, less known discipline known as Humanometrics (Anthropometrics) that deals with different geometrical, mechanical, mathematical, physical, chemical and other types of measurements related to the average human. Lighting quality depends upon both the physical and the psychological parameters of the human being. In general, we can say that good lighting quality exists when a lighting system creates good conditions for seeing, supports task performance or setting-appropriate behaviour, fosters desirable interaction and communication, contributes to situation-appropriate mood, provides good conditions for health, avoids ill effects, and contributes to the aesthetic appreciation of the space. Lighting quality is not inherent to a space or a lighting design, but to the way the light, or lighting, affects people. This fact cannot be measured, but as indicated above, it is linked to the visual environment, visual comfort and visual performance. Each of these three parameters
can be developed further. These factors are interrelated in many ways: especially visual comfort and performance, since they can both be impaired by a phenomenon called glare.


The full version of the article can be found in  PLD No. 102  as well as in our  PLD magazine app  (iPad App Store).


 

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