< p > many parents give children buy the lamp that shield an eye, in order to protect vision, in fact, the effect of the lamps and lanterns have eye also, lack of hard scientific evidence.
So, want to protect your vision, the key is to learn the correct use of desk lamp, rather than in the hope of the lamp that shield an eye.
< / p > < p > a degree, the light bulb to appropriate < / p > < p > if the degree is too low, according to the book of the light is darker, we is not easy to see the handwriting, such can cause eyestrain, in the long run can also lead to myopia, then treat myopia become every day will do.
And if the light bulb degree is too high, too strong light through the white paper into our eyes, have glare, make the pupil continue to shrink, resulting in eye pain and headache.
< / p > < p > 2, the height of the desk lamp is very important also < / p > < p > usually, eyes from the book 30 centimeters, can not only see the writing, nor excessive fatigue and extrapolate that the height of the desk lamp from written 40 -
50 cm more appropriate, such not only ensure the sufficient reading lighting, the surrounding environment also has a certain brightness.
If the lamp is too low, can make the light according to a small range, while the surrounding darkness.
Lost to look for reference, all control system can make the eye are at only look at a nearby state of tension compression, easy to make the eye fatigue, and rapid accumulation, cause 'light source sex myopia.
And if it is too high, the light will be directly to our eyes, produce glare;
Close glare at the same time, will also cause the retention phenomenon of light in the retina, can make eye muscle contraction, speed up the vision loss, so the usual to treat myopia also to master the knowledge.
< / p > < p > 3, the size of the bulb and lamp shade matching < / p > < p > to ensure the bulb just the quilt inside the lamp shade, avoid direct light our eyes.
< / p > < p > 4, light source, with a white light bulb < / p > < p > scientific research confirmed that our vision under the white light is best, so, can choose a soft evenly white light bulb or frosted lamp, and don't choose color bulbs.
< / p > < p > 5, the placement of the desk lamp to appropriate < / p > < p > the placement of the desk lamp for the eyesight also has a great influence for most people write with their right hand, so the lamp should be placed left in front of the body, not because the hand while writing the shade of shadows are formed on the paper, according to the paper also not reflected light to our eyes from glare.
< / p > < p > chaozhou li electrical appliance factory specializing in the production of light a night light
, temperature and humidity meter, LED rechargeable small desk lamp.
< / p > article source: li 3 c electric light a night light ea -
com/ < p > < / p > < p > < / p >
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