Size
Luminance
Ergonomics
Reflectance factor
Old people
Visual perception
Optical phenomena
Colorimetric characteristics
Stability
Colour
Office machines
Optical properties of materials
Resolution
Reflection
Angles (geometry)
Reflective materials
Graphic characters
Chromaticity
Computer peripheral equipment
Electronic equipment and components
Environment (working)
Display devices (computers)
Legibility
Reflection factor
Glare
Computer terminals
Flicker