Ergonomic lighting considerations
Follow these tips on contrast and lighting components.
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- An aging workforce needs more lighting (contrast), especially task lighting.
- To correct contrast problems: Use ink instead of pencil for hard copy work; use white paper instead of colored; adjust photocopier exposure, monitor brightness and contrast; and decrease reflected glare.
- Data entry speed increases with an increase in illumination and/or contrast. 20 years 60 years 75 years
Contrast is the relationship between the brightness of an object and its background.
Dual lighting components
- Dual-component lighting schemes can positively impact comfort and performance while lowering energy consumption 30 percent to 40 percent.
- Conflict exists between lighting requirements for computer work and paper-based tasks.
- Proper light levels vary significantly with worker age and tasks.
- Cool color temperature lighting for paperbased documents. Warm color temperature for computer work.
- Ideal compromise: warm ambient lighting combined with cool task lighting.
- Position task light opposite the worker's writing hand.
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