Effects of lensed-indirect and parabolic lighting on the satisfaction, visual health, and productivity of office workers

Article Abstract:

Data from office workers on their preference for various lighting systems such as lensed-indirect lighting and parabolic lighting reveal that about two thirds of the workers prefer lensed-indirect lighting. The reasons for the preference are lens problems due to tired eyes, eye focusing and screen glare, especially for computer workers. The preference to lensed-indirect lighting is irrespective of the level of illumination in the various systems.

Analysis, Offices, Interior lighting

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Effects of keyboard tray geometry on upper body posture and comfort

Article Abstract:

The effects of a downward-tilting (DT) keyboard tray on seated posture, wrist posture and musculoskeletal discomfort was examined. No significant changes in wrist posture, seated posture of musculoskeletal discomfort were seen in the control group. Those using the DT system had significant improvements in wrist posture and upper body musculoskeletal discomfort.

Physiological aspects, Keyboards (Electronics), Keyboards (Computers), Posture

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Where are we in understanding the effects of where we are?

Article Abstract:

The work of environmental ergonomists is discussed, looking back at the concerns of the twentieth century. The scope of work at the start of the twenty-first century, including climate and air-quality, is considered.

Observations, Indoor air quality, Climatic factors

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