Question 2: What lamp should I use for reading and studying at night? Which type is less harmful to the eyes? Generally speaking, the most commonly used lamps are fluorescent lamps, light bulbs and yellow sun lamps. In principle, according to personal habits, no matter which color of light you choose, it will not cause great harm to your eyes.
Fluorescent tube, constantly flashing in the light; This flicker range is far more unstable than solar lamps and light bulbs. Just like watching TV, the picture is composed of many pictures, which are constantly connected and assembled.
The pupil of a person's eyes will tremble because of this flash, constantly zooming in and out; It is better to use a sun lamp or a light bulb.
He Fei ~ Pu Rui
Question 3: What kind of desk lamp is suitable for reading at night? The desk lamp should not be too bright. Suitable for ordinary light bulb 15 watt, tricolor energy-saving lamp 3 watt.
The most suitable light for reading and writing is natural light. There are two kinds of natural light, one is called scattered light, which is most suitable for reading and writing, because the light irradiation is even and soft, and the eyes are not easily tired. The other is called direct light, which is strong and dazzling and not suitable for reading and writing. Generally, reading books during the day, mostly using natural scattered light, the table should be placed in the best indoor light, and the curtains should be opened to make the desktop have enough light. But don't let the sun shine directly on the desktop.
Question 4: Choice of color for reading lamp at night. Warm white light source is generally used for reading at night: the color temperature is 3200-3400 K. From the visual physiology point of view, warm white light source best meets the visual physiological needs of human eyes.
Question 5: What kind of light is the best for reading? A little yellow can protect your eyes!
Question 6: What kind of light bulb is a good old incandescent lamp for reading at night? If you use energy-saving lamps, use those eye protectors. The brightness of this lamp is a little dim.
Question 7: What kind of desk lamp should I use for reading at night? Buy an eye protection desk lamp marked with eye protection, and it also has the function of brightness level. It is recommended to buy an eye protection desk lamp with COB light source.
At present, the popular LED desk lamp is the fourth generation of healthy light source, but it has blue light damage.
COB light source is the fifth generation light source closest to natural light.
Question 8: What color of light is best for reading? 40w incandescent lamp. Incandescent lamp is a warm light source, closest to natural light. Of course it's the best! Tricolor is a color matching light source, which is an energy-saving lamp series.
Question 9: Which lamps are less harmful to the eyes and more energy-saving when reading at night? Don't use LED lights, use fluorescent lights. It's good for the eyes.
Question 10: Is it better to use white light or yellow light for reading on the desk at night? It is recommended to use a yellow desk lamp. The light is warm, warm, comfortable, stable and not dazzling.
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 24V DC incandescent lamp, the first DC incandescent lamp in China, which is designed and manufactured in strict accordance with the national reading and writing lamp standard. It was patented in China and developed by a doctor. There is no radiation, no stroboscopic, the color rendering index is as high as 100Ra, and the color temperature is 2800k, which is the most comfortable and stable, equivalent to the sunshine about 40 minutes after sunrise. Eyes can easily accept and care for them.