The study has ceased to exist in most families in modern times, but it still has an extraordinary position in other families. It tells these families how to choose the study lighting. It is also suitable for writing, reading, and lighting methods for children's homework.
In the study, be sure to use a light with a stable brightness. The light emitted by ordinary ordinary light bulbs is obviously reddish compared with natural light, which makes the ability of the human eye to be degraded. Therefore, if you want to see the typeface on the book, you must close your eyes. Although the light emitted by an ordinary eye lamp is white, it is directly illuminated by the alternating current of 50 Hz, so the brightness of the fluorescent lamp constantly changes, which is the strobe phenomenon of the eye lamp. If you study under the flashing light for a long time, your eyes will feel tired.
The most used study should be regarded as a table lamp, the choice of table lamp should pay attention to the brightness of the selected lighting, generally controlled at 60w, not too bright, too bright will feel that the roasted face also increases the risk of also causing myopia, the color is slightly yellowish as well, light To soften, it is best to have a small hole in the lampshade so that the light is divided into illumination and auxiliary light, giving the front and side back illumination of 10:1. A soft light transition zone is formed around the lamp, which makes it difficult to make human eyes feel tired.
Also say about the choice of light source, generally do not choose the fluorescent light. Once you choose to bad fluorescent light, his light decays quickly, both ends turn black, has a great impact on vision, plus, the light source of the desk lamp is not easy to see, often Ignored, so choose incandescent lamps as light sources, because incandescent light is relatively stable, especially for teenagers and children.
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