Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects. … Proper lighting can enhance task performance, improve the appearance of an area, or have positive psychological effects on occupants.

Why is proper lighting important?

Why is lighting important? Whether in industrial or office settings, proper lighting makes all work tasks easier. … Appropriate lighting, without glare or shadows, can reduce eye fatigue and headaches; it can prevent workplace incidents by increasing the visibility of moving machinery and other safety hazards.

What are the 5 main criteria of lighting?

• light intensity,
• uniformity of light,
• dazzle capability and luminance distribution,
• light pulsation and colour rendering,
• shading of light.