LED lamps can't be used for short-distance reading and writing, because the short-wave high-energy light source emitted by LED lamps-blue light can directly penetrate the cornea and lens, and can directly reach the macular area, causing burns to the retina of human eyes.
It is recommended to use Kanglvyuan DC incandescent lamp to read and write the desk lamp, because the traditional 220V alternating current will keep 50 Hz current fluctuation, which will cause incandescent lamp stroboscopic. Strobe is easy to cause eye fatigue, decreased vision and deepened myopia.
Kanglvyuan 24V DC incandescent reading and writing desk lamp, the first DC incandescent reading and writing desk lamp in China, is designed and manufactured in strict accordance with the national reading and writing desk lamp standard. It was patented in China and developed by a doctor. It has no radiation, zero stroboscopic and blue light, and its color rendering index is as high as 100Ra, and its color temperature is 2800k. The most comfortable and stable, equivalent to about 40 minutes of sunshine after sunrise, is easy for eyes to accept, so it protects children's eyes.