The right way to arrange illumination
Proper arrangement of illumination is one of the requirements for correct vision operation. In low light we have to strain our eyes, too much light blinds us. Both evenness and spectral structure of light are important.
Proper arrangement of illumination is one of the requirements for correct vision operation. In low light we have to strain our eyes, too much light blinds us. Both evenness and spectral structure of light are important.
When setting up illumination please take the following in consideration:
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The illumination should be comfortable for you. Therefore listen to yourself. What is good for one may cause discomfort for another.
![the right lighting №1]( "the right lighting №1")
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The illumination should be sustainable. Shifting glance from a bright object to a darker one (e.g. from a computer screen to a printed page) is always unpleasant. So either try to exclude bright spots from the vision field (for example temporarily switch of the computer screen while reading say a report) or minimize brightness difference (dimming display). This is by the way the reason not to let your kid to watch TV out of the corner of the eye when doing homework. Try to place the computer screen against the window light.
![the right lighting №2]( "the right lighting №2")
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The best solution is to mix local and general illumination. The local lighting alone cannot provide the required evenness. And the ambient illumination may be insufficient for you tpo comfortable see small items and details.
![the right lighting №3]( "the right lighting №3")
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If there is mixture of daylight and artificial light try to make them non-contrast or even antagonistic to each other. Without harsh frontiers the mixed illumination will not bring harm to eyes.
![the right lighting №4]( "the right lighting №4")
And another small piece of advice: do not forget to clean your lights regularly (at least twice a month). Of course you should replace burned-out bulbs immediately.
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