Visual tasks include the visual assessment of brightness, visual search, object detection, and visual acuity (object recognition). Visual acuity is the spatial resolving capacity of the visual system, it indicates the angular size of the smallest detail that can be resolved. Visual acuity may be...
Lamps and light fixtures that incorporate white LED sources have been employed ubiquitously in residences, offices, commercial buildings, industrial facilities, and a host of other environments as energy efficient alternatives to less efficient products. Since Edison's invention of incandescent...
The New Dimension of Lighting
For a long time, the lighting industry had invested practically all of its resources in technologies, solutions and products that fulfill our visual needs. It was not until the discovery of a third photoreceptor (besides rods and cones) in the human eye and the...