1. The eye protection lamp can't adjust the brightness of the light. Any eye protection lamp that can adjust the brightness has no eye protection function. In terms of price, it is more expensive than ordinary incandescent lamps. There are "eye-protection lamps" with eye-protection slogans on the market, and some even indicate eye-protection lamps. They are installed with incandescent lamps, which are neither energy-saving nor eye-protecting. Color temperature value. The color temperature value of the lamp's illumination determines the softness of the light. Too high and too low are not very good. 4000K to 5200K is suitable. Among them, the eye light of 4000K to 4500K, the light is slightly redder and softer, suitable for primary school students; and the color temperature value of 4500K to 5200K is suitable for middle school students and above. Eye-protection lamps, energy-saving lamps and plug-in tube lamps are used as lighting products, and their energy-saving effects are outstanding, saving about 30% to 50%. Their eye protection effect is that the light emitted is softer and less glaring. However, any unnatural light source has a certain influence on the vision, so to protect the eyes, the most important thing is to lower the lampshade to cover the light source. 3. The heavier the base of the desk lamp, the more it can keep the center and it is not easy to fall. At present, some of the more backward pole ball eye protectors are on sale, so be careful when purchasing. Flange Nut,Hex Flange Nut,Metric Flange Nuts,Hexagon Flange Nut Hebei W.M fastener manufacturing CO.,Ltd , https://www.wmfasteners.com
Eye Lights - Basic Information