Light affects the reasoning, stress and well-being of employees. With control over the lighting in the workplace, employees are more committed to their employers which helps in significant improvement in overall well being of employees. Also, individually controlled lighting results in significant energy savings.
Quality of Light Output
Quality of light has significant impact on psychological result of perceptions, learning, emotional, physiological responses and reasoning. Good-quality light output enhance visual performance, interpersonal communication and well being. Poor quality lighting can be uncomfortable and confusing and affects visual task performance.
Lighting for Human Needs
The needs of people are complex. Emotions, actions, perceptions and health are influenced by lighting. Central to human needs is visibility, because it is the detection and organization of light patterns that allow a person to analyze and evaluate the environment. visibility is central to a larger number of human needs i.e. task performance, mood, atmosphere, visual comfort, aesthetic judgment, health, safety, and well-being and social communication.
It is the most critical aspect of good quality lighting. The objective of Lighting designs and luminaire orientations are to facilitate great visual comfort. This is the major rationale for good visibility and visual comfort for a lighting designer over all other aspects. The situation becomes more challenging to adequately light up an office space with employees from different age groups. For the older employees the office space must be brighter and its contrast higher in order to achieve the desired visibility levels as compared to young & mid age employees.
The most vital objective for all the employees in a workplace is to perform their task efficiently and in a timely manner. Lighting must enable users to perform the work and fulfill the objective.
Mood and Ambiance
A luminous environment triggers a variety of human emotions. For example preference, satisfaction, relaxation and reasoning are influenced by lighting. These emotional states can further affect the work performance of the employees.
Visual comfort is an essential need in a workplace that can affect task performance, health, safety, mood and ambiance of the employees. Employees may feel stressed in a glary lighting atmosphere.
Interpersonal communications in a workplace is facilitated by good lighting conditions as it affects the facial recognition. Also, facial recognition is an important aspect for security and requires not only a well lit workplace but also highlighted facial features by a specific pattern of light.