It's also the start of the year season, children are about to take on new bags, new stationery, but there are many children wearing more powerful glasses, some with vision problems such as astigmatism. In fact, according to the latest research report of the world health organization, China now has the highest myopia rate among the youth in the world, among which the myopia rate of primary school students is nearly 40%, and it further presents a trend of younger age.
Many parents wonder why their children's eyesight is still declining despite the pressure from schoolwork. In order to keep their eyesight under control, besides monitoring and correcting their eye-using habits, I also specially selected the popular eye-protecting lamps to create a comfortable eye-using environment.
The "eye lamp" that you buy for the child, does really protect an eye?
Influenced by traditional ideas and information spread on the Internet, many parents think that the lamp with sufficient brightness and no video flash is a good lamp. Some parents also use their mobile phones to shoot the light source of the lamp, and judge the quality of the lamp by observing whether there are ripples and shaking in the screen. However, these methods are not scientific and cannot be used as the basis for judging the visual comfort of the lamp products. In fact, in 2017, the latest release of voluntary national standards ", speaking, reading and writing assignment desk lamp performance requirements ", has been from the sensors and actuators, brightness, brightness uniformity lamp performance put forward clear requirements, namely suitable brightness and color temperature, uniform light distribution, glare, no flash and no harm of retinal blu-ray video, for the majority of families to choose a good light pointed out the direction.
Five indicators to help you select the lights, the children's eyes lit natural light
Appropriate lamplight brightness is comfortable the basic safeguard that USES an eye, too bright child can feel dazzling, slant dark to see a thing again difficulty. The color temperature of lamplight at the same time should not exceed 4000K, neuter smooth color is like afternoon sunshine is warm and bright, will build cheerful and comfortable atmosphere continuously. Children learn to read under a combination of standard brightness and color temperature.
When children read and write, their eyes will move frequently on the paper or the screen. For example, the light distribution is uneven. Children's pupils will adjust to the light due to the difference in brightness. Therefore, a good lamp should also fully consider and limit the brightness differences of different nodes in the lighting area to ensure that the light is evenly distributed on the table.
Many children in the night long after learning, both eyes easy to feel acid distension, red blood silk. In fact, it is all due to the glare and stroboscopic light in the light, which brings pressure and discomfort to the eyes. Glare refers to the adaptive brightness far beyond normal human eyes. When a child looks up, he or she may accidentally glance at the light, or when the lamp is too large in contrast with the brightness and brightness of the room, it will be inadvertently damaged by it, thus triggering eye fatigue. Strobes can also be a burden on the eyes, and learning for long periods of time in the context of repeated flickering can cause great damage to a child's eyes. Many parents think that LED desk lamp working in dc must have no stroboscopic light, in fact, it is not. Good desk lamp not only USES high quality light source, but also has a reasonably designed optical module.
If glare and stroboscopic discomforts are perceived by the human eye, then blue light is the "invisible killer" that causes irreversible damage to the child's eyes. It not only causes the child's vision to decline, but also inhibits the secretion of melatonin in the human body, thus affecting sleep and continuously affecting the child's daytime performance. When choosing desk lamp for the child accordingly, should identify more secure do not have blue ray illuminant, direct, effective protect the eye from the harm of blue ray.
Master five indicators, select a good lamp, let the natural light in the children's table lit.
