Glare of landscape lighting and overall coordination of lighting when there are extremely bright spots or strong brightness contrast in the field of vision, people's pupils will shrink and light spots will be formed in the eyes, which will destroy the adaptability of people's visual system to the surrounding physical space, thus causing discomfort or visual decline.Glare is caused by the high brightness of the surface of the light source.If the brightness of the light source is certain, then:
1) the darker the surrounding environment is, the more prominent the glare will be;
2) the closer the distance between the light source and the viewing point, the more prominent the glare;
3) the larger the apparent area of the light source, the more the number of light sources, and the more glare.Glare phenomenon is not new, many articles have mentioned this problem, and has attracted the attention of most people in the industry, but glare problem still occurs from time to time.
With the vision of people not to choice of individual vision environment light monomer, the success of each monomer light does not necessarily can form a good overall effect, so in the light of engineering design, especially the urban night landscape design, street lighting landscape design must have a system view, to develop, should strive to continuously, gradient, ups and downs, and staggered technique, to realize the overall system and orderly, the lighting landscape should be grasped in the theme, style, artistic conception, unification and change in the level of balance, each part of the brightness of the light unit light elements such as colour, shape.
