Is the brightness of a desk lamp harmful to the eyes?

Long-term use of the eyes in an environment where the lights are too bright can easily cause eye fatigue.

It does not cause serious damage, and eye fatigue is reversible and can be relieved with rest. There is a structure inside the eye called the pupil, which can vary in size and diameter, so it can adapt to different environments and adjust the total amount of light entering the eyeball. When the outside light is too strong, the pupils will become smaller, which can block most of the light from entering the inside of the eye, so the light is too bright and will not hurt the eyes.

Experts advise consumers to opt for traditional incandescent lamps.

That is, the incandescent lamp is yellow and the light is softer, and because there is no alternating current.

If the light is too dim, it will also have a direct impact on the child's eyesight, reading in dim light will make people have to squint in a short period of time to see things clearly, frequent blinking and difficulty concentrating, etc., if this may cause pseudomyopia for a long time.

Over time, it will become true myopia, so don't study in dim conditions for a long time.

If you read a book under too bright light for a long time, it is easy to cause vision loss and myopia, so it is best to take eye protection lamps or softer lights to be healthy for the eyes.

If the light is too bright, it can cause damage to the eyes. Staring at a light source that is too bright for a long time can cause retinal injury. Affects our eyesight. It can even cause burns to the eyes, leading to problems with vision.

The effect of too bright light on the eyes can also make a person's vision deteriorate. Because the light is too bright, it is harmful to the eyes. So the light should not be too bright, not too dim, too bright and too dim, will affect the vision of the eyes.

If the light is too bright, it is easy to cause eye fatigue and produce or lead to the increase of myopia, so be careful not to be too bright or too dark.

Looking at the dazzling and changeable stage lights for a long time, it is easy to tire the eyes, and even cause serious damage to the eyes unconsciously.

If you stand in the light all the time, you will be hurt by the stage lights with ultraviolet rays. In addition to all kinds of lights, natural light can also cause damage to the eyes!

It is recommended to eat more foods that are good for your eyes! Such as lean meat, poultry, animal offal, fish and shrimp, milk, eggs, beans, etc., which are rich in protein, because your friend may have been engaged in the profession of gaffer for a long time, so the protection of the eyes is very important, and it must be carefully protected.

If the light is too bright, it has a lot of effects on the eyes, and if the light is too bright, it can cause dizziness in the eyes, or it may be dizziness in the head, unable to see clearly, and the light is too bright for a long time, and there may be amblyopia, myopia, visual fatigue, etc

The effect of too bright light on the eye is to cause damage to the function of the lens of the eye, and once the lens is damaged, it is likely to lead to the occurrence of cataracts. Too much light can make a person's eyes easily fatigued, which can cause vision or deepen myopia. If you read in strong light for a long time, your pupils will continue to shrink, causing eye muscle spasms, fatigue, eye pain, and even dizziness, which will hurt your eyes.

If the light is too bright, there are many effects on the eyes, yes. Damage to the retina as well as other visual parties that can allow you to form some reflections.

Too strong light will make people's eyes easily fatigued, resulting in vision or deepening myopia, so parents must choose a suitable lighting lamp when choosing a table lamp for their children, to take care of the child's subjective feelings, parents often choose cute and colorful lighting when choosing lamps for their children, but sometimes the appearance of the lamps and lanterns can not ensure the health of the child's eyesight, so parents should pay more attention to the safety of the lamp and whether the material is environmentally friendly, whether the light source meets the actual needs of the child, Choose a suitable light for your child.

Experts suggest that consumers choose traditional incandescent lamps, incandescent lamps are yellow light is softer, and because there is no interference of alternating current, so the light is also relatively stable, if the light is too dim, it also has a direct impact on children's eyesight, reading in dim light will make people have to squint in a short period of time to see things clearly, frequent blinking and difficulty concentrating, etc., if this may cause pseudomyopia for a long time, over time it will become true myopia, so do not study for a long time in dim conditions.

If the light is too bright, it will definitely affect the vision of the eyes, and if you study in strong light for a long time, or work, your vision will definitely deteriorate severely.

Ah, if you only use this crazy ** to cause a lot of damage to the eyes, such as the first, the first eyesight caused by myopia, it is possible to get fatigue in other worlds, and it is possible to cause other damage to the solution, which also has a certain impact.

If the light is too bright, it will have some impact on the eyes, which will cause some astigmatism in the eyes, or some diseases such as cataracts.

If the light is too bright, it will make people's eyes easily fatigued, which can cause vision loss or aggravate myopia. In this way, you must be soft when choosing lights. Don't just go for brightness.

1. Cause irritability: Too bright lights make it difficult for us to fall asleep, and we can't sleep soundly, and many people suffer from sleep anxiety. Even if you close your eyes, the light will still pass through your eyelids and interfere with sleep.

Even if the light does not reach the eyes, it can affect our sleep.

2. Affect hormone secretion: Especially for growing children, too bright light will reduce the secretion of melatonin and disrupt the normal physiological and growth cycle. Sleeping in a light environment for a long time can easily cause precocious puberty or excessive reproductive development in children.

3. Becoming depressed: Excessive exposure to lights at night will cause low mood, physical weakness, poor sleep quality, insomnia, etc., which can easily cause mental weakness, interfere with the central nervous system for a long time, and make people feel depressed and other symptoms.

4. Cause cataract: People who sleep in a light environment for a long time will have a significant increase in the incidence of cataract. Because the light source can cause damage to the function of the lens of the eye, once the lens is damaged, it is likely to lead to the occurrence of cataracts.

The brightness of the table lamp has an impact on the eyes.

In particular, many table lamps on the market are energy-saving lamps, which contain argon and mercury, which will release strong ultraviolet rays after heating, and the lamp wall will emit light after absorbing energy. Long-term exposure to this bright light increases the risk of retinal damage, as is long-term exposure to the sun.

Studies on the effect of spectrum on the development of the eye axis, the effect of indirect illumination and direct illumination on visual function, etc., have shown that light has a certain effect on the human eye, especially at night.

Usually a desk lamp is not harmful to the eyes, but reading in too strong and dim light can be harmful to the eyes. Therefore, the table lamp should be placed in front of the left side of the desk so that the right hand does not block the light; It is best to choose a table lamp style that does not directly irradiate the eyes and is fixed; Table lamps can be used with 40 watt bulbs or 20 watt fluorescent lamps to achieve illumination levels of 400-700 lux.

How to choose a table lamp.

1. Low blue light: Blue light, simply put, is a kind of light that is harmful to people's eyesight, and reading books under the irradiation of blue light for a long time can easily lead to myopia, cataracts, and even blindness in severe cases. Especially for children, this kind of injury is more serious, so it is important to pay attention to this when buying a table lamp.

2. Soft light: In normal daylight, we see daylight, the color temperature is about 5600K, this light is white and high, if you read and study in this light, it is easy to cause visual fatigue. The light of the table lamp should be softer, with a color temperature of about 4000-5000K, which has a protective effect on the eyes.

3. No flicker: Many desk lamps will have the problem of strobe, and the strobe will have a great impact on people's eyesight, and it is easy to cause visual fatigue or dizziness. Therefore, when purchasing on the spot, you can test the strobe by yourself, you can turn on the photo function of the mobile phone, and face the position of the lamp source, if there is a flashing dark line on the mobile phone screen, it means that the lamp has a strobe problem.

4. Lighting range: the so-called lighting range, that is, the area that can be irradiated after the lamp is turned on. At present, the irradiation range of table lamps on the market is about 55 cm, which is enough to meet the normal learning and writing.

You may not be very concerned about the radiation range, but in fact, if the lighting range is relatively small, it is easy for people to have an improper sitting posture, and it is also easy to cause myopia, hunchback and other problems.

C certification: On the table lamp used by students, the state requires that it must pass the 3C certification, so when buying a table lamp, you need to pay attention to whether it is a 3C certified product, so that the quality is more guaranteed.

Nowadays, there are many brands, functions, materials and types of table lamps on the market, so that many parents do not know where to start. So the question is, is the table lamp harmful to the eyes? What are the well-known table lamp brands in China? Let me give you a brief introduction.

The table lamp itself is not harmful to the eyes, but reading in too strong or too dim light will cause some damage to the eyes. The appropriate reading lighting light is still incandescent lamp, incandescent lamp has no flicker, as long as the illumination is appropriate, it will not hurt the eyes, the disadvantage is that the efficiency is low, too much electricity.

What are the well-known table lamp brands in China?

1: GE Lighting (founded in the United States, one of the world's most valuable brands, the world's largest diversified service enterprises, and one of the most influential foreign companies).

2: OSRAM Lighting OSRAM (founded in Germany, one of the world's two largest light source manufacturers, one of the world's most innovative lighting companies).

3: Philips Lighting (founded in Europe, one of the world's 100 most valuable brands, one of the world's top ten lighting manufacturers).

4: Panasonic Lighting Panasonic (founded in Japan, the world's top 500 enterprises, large multinational companies, one of the world's largest electronics manufacturers).

5: Toshiba Lighting Toshiba (created in Japan, the father of incandescent light bulbs in Japan, Japan's largest semiconductor manufacturer).

6: Cooper Lighting Cooper (founded in the United States, one of the top 500 companies in the United States, one of the top ten lighting manufacturers in the world).

7: Crocodile lighting alligator (founded in Germany, a world-renowned brand, one of the world's top ten lighting manufacturers).

8: Liangtong Lighting Lithonia (founded in the United States, one of the world's largest manufacturers of fluorescent lamps, a world-renowned brand).

9: Thorn Lighting Thorn (founded in Europe, the world's third largest manufacturer of lighting components).

10: Cree Lighting Cree (created in the United States, LED manufacturer and industry leader, world-renowned brand).

Summary: After reading the above introduction, I believe you have a further understanding of whether desk lamps are harmful to your eyes. If you need to know more about it, please continue to ******, and more exciting content will be presented to you in the future.