The Importance of Lighting, The Value of Luxo Ergonomically-designed asymmetric task lights cast light evenly across a worksurface, easing the transition between light and dark areas and allowing the eye to work in a constant, comfortable light. By putting the light to the side of the desk, glare will not cause discomfort to the user or colleagues. _. fice workers performing clerical work prefer light levels 50% higher than the generally recommended 500 lux. Poor lighting causes a range of unwanted aches and pains, headaches, neck and back ailments and eyestrain can be attributed to poor lighting. This is because the body compensates for poor lighting by adopting unhealthy postures in order to see well. Improper lighting causes eyestrain for 91% of computer uses and undermines the benefits of other ergonomic products. Work performance Illumination which has the correct perceived color (hue) in a work environment leads to increased work performance (19%), reduced fatigue (27%), increased concentration (37%), less tiredness (31%), enhanced alertness (23%) and less lightheadedness (34%). sk light life expectancy of more than 50,000 hours. That means 25 years or more with normal office Workers want control of their lighting 81% want to be able to adjust their light and 62% want to be able to change the position or angle of their lights. f Work environments which utilize lighting control systems such as dimmers and auto shut-off can reduce electrical consumption by 35-42%.