Light penetration: this occurs when the light from entering the territory of the other people that he did not want, such as phototherapy over a neighbor's fence, the consequences could be strong sunlight coming through a window cause insomnia or limited vision in the night.
Glare: this is the result of the contrast between bright areas and dark areas in sight. Shining light in the eye pedestrians and drivers could cause loss of vision in the night to take 1 hour later. This also makes the eye feel the difficulty of identifying the differences in light.
Abuse of light:
cause of abused light:
- Do not use the self-timer, sensors or other forms to turn off lights when not needed.
- Mhung design unsuitable, especially workspace, which must use light more than necessary.
- Choosing wrong kinds of furniture, Electric lights that light does not focus on essential areas.
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