What kind of student eye protection desk lamp should I buy?
At present, the probability of myopia of students' eyes is getting higher and higher. Many times it is because of the influence of learning lights at night. Therefore, it is very important to choose eye-protection desk lamps for children. What kind of eye-protection desk lamps are good for students? desk lamp?
Of course, white light is used, but you should pay attention to the brand when you buy it. If you are buying an eye protection desk lamp for students, the best domestic brand is Funeng, and the best foreign brands are Osram and Panasonic. and flicker exceeding the standard.
Teach you a buying skill. Generally, when you buy an eye protection desk lamp, there is a black and white grid top in the package. Turn the top under the eye protection desk lamp with the light on. If you can see a silver line when the top is rotating, then it is Eye protection, otherwise it is not eye protection. In addition, there should be a radiation measuring instrument in the package of a good eye protection table lamp. Turn on the instrument and close to the eye protection table lamp. If there is no sound, it is a qualified radiation product, otherwise it is unqualified. .
The common point of eye protection table lamp and incandescent lamp is that there is almost no stroboscopic, so it is good for eyes. However, incandescent light has low efficiency, low illuminance and short life. On the one hand, it consumes electricity, and on the other hand, due to the dim light, it will still affect the eyes. Therefore, it is better to use the eye protection table lamp for ideal lighting.
Children reading under too strong or too dim light is not good for the eyes. Ideal lighting should look like this:
1. Table lamp position. When children read and write, the table lamp should be in front of the desk to avoid blocking the light with the right hand.
2. The style of the table lamp, the style of the table lamp is best to choose the light that does not directly illuminate the children's eyes and is fixed.
3. The brightness of the table lamp, the table lamp can use a 40-watt bulb or a 20-watt fluorescent lamp to achieve an illumination level of 400-700 lux.
4. Reduce the difference between light and shade. When children study, not only turn on the desk lamp, but also turn on the light in the room, which can reduce the adverse effect of the difference in light and shade on the eyes.
5. The orientation and brightness of the chandeliers. Most of the lamps in our living rooms are hung on the ceiling. The lighting required in daily life can be 40 watt fluorescent lamps or 60 watt bulbs. If there is enough light in the front left of the desk, No desk lamp is required.
6. The bulbs should be updated in time. The desk lamps and the lamps in the room should be kept clean frequently. When the bulbs are used for too long, or when the light flashes or the illumination decreases, they must be replaced in time to ensure sufficient illumination.
The editor recommends that students buy high-quality eye-protection desk lamps, mainly because they are less harmful to the eyes. These campus safety knowledge is a topic that every student and parent should pay attention to.
