Visual task area
The determination of the visual task area to which the lighting quality criteria apply, is likely among the most difficult tasks when it comes to lighting design for industrial workstations. References on this subject are provided in chapter "Lighting quality criteria", section "Visual task area", where workstation design criteria were also factored in. It is also possible to go by ergonomic rules in order to determine the visual task area for manual tasks in industrial applications. In most cases, the field of view can be described using the handling area (fig.). The handling area encompasses approximately 0.60 m to 1.60 m. The ergonomically defined viewing angle range provides further references for determining the visual task area (fig. and fig.).