Descriptor
| Glare | 3 |
| Lighting | 3 |
| Task Performance | 3 |
| Visual Discrimination | 3 |
| Visual Environment | 3 |
| Measurement Techniques | 2 |
| Visual Perception | 2 |
| Ceilings | 1 |
| Controlled Environment | 1 |
| Design Requirements | 1 |
| Human Posture | 1 |
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Source
| Illuminating Engineering | 3 |
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Blackwell, H. Richard – Illuminating Engineering, 1963
The results of all basic measurements and calculations of reflected glare for different lighting materials and conditions are presented in a series of tables and charts. All basic concepts of a quantitative method for evaluating the visual significance of reflected glare are identified in relationship to different types of visual performance. The…
Descriptors: Glare, Lighting, Measurement Techniques, Task Performance
Blackwell, H. Richard – Illuminating Engineering, 1963
An application method for evaluating the visual significance of reflected glare is described, based upon a number of decisions with respect to the relative importance of various aspects of visual performance. A standardized procedure for evaluating the overall effectiveness of lighting from photometric data on materials or installations is needed…
Descriptors: Ceilings, Glare, Lighting, Measurement Techniques
Crouch, C. L.; Kaufman, J. E. – Illuminating Engineering, 1963
The role of reflected glare and visual viewing angles in near task performance is discussed, and following statements are reported--(1) a worker at a desk normally assumes a position in which his eyes traverse an area of work extending from a point approximately vertically below his eyes to a point not more than 40 degrees from the vertical, (2) a…
Descriptors: Controlled Environment, Design Requirements, Glare, Human Posture
