How to choose the right lighting for your child's study

Nowadays, children have a heavy learning burden, high incidence of myopia, proper lighting for reading and homework, can effectively reduce eye fatigue, and how to choose the right light for children. This is a common concern of parents.

The pupil of the human eye, like the aperture of the camera, automatically changes size after receiving light stimulation. When the light is dark, the pupil is dilated, and the light entering the eye increases. At this time, mainly the peripheral retina plays a role, and the sensitivity is much worse than the central retina (the macula). In order to see the object, Had to move it closer. At this time, the eye ciliary muscle contracted to increase the regulation, for a long time, prone to blurred vision, eye swelling, eye pain, headache and other fatigue symptoms, and then produce myopia. When the light is too strong, the strong light shines directly on the book. When the eye is reading, the pupil is narrowed, so that the light entering the eye is reduced. For a long time, the intraocular muscles contract, and even the paralysis occurs. Excessive light can also cause the retina hand to be stimulated to produce a posterior image, thus producing a dazzling white light, which is also a cause of visual fatigue and myopia. In addition, ultraviolet light in excessively strong light can cause damage to the retina, especially the macula, resulting in decreased vision. It can be seen that reading and writing in an environment that is too strong or too weak can lead to eye fatigue and even cause myopia. Brightness is also a kind of pollution, that is, light pollution including white light, artificial white enamel and color light pollution, plus indoor string light flicker can induce visual fatigue.

Children and adolescents are in the long-term sputum period, the eyes need more careful care, and the eyes are too tired to produce myopia. Therefore, don't read or write in the light of too strong or too dark, that is, you can't read books under the dark light and direct sunlight. . So, what kind of light is right?

The traditional lamp has stroboscopic light, and the light color is somewhat purple. When the object is observed, the aberration can be generated, and the fatigue caused by the eye is harmful to the eyes, especially the young people are very harmful. The LED fluorescent lamp is driven by constant current, no stroboscopic, no harm to the eyes, and can well protect the eyes of young children.

During the day, the appropriate light is naturally scattered light, requiring light to be shot from the upper left side of the head. In the evening, if it is a 12 square meter room, 12W LED fluorescent lamps can be used, so that the room is not too bright or too dark. When using a desk lamp, it is best to use an LED light source with a milky white or green lampshade. The table is covered with green or light-colored tablecloths, and the brightness contrast is not large, which is beneficial for long hours of light operation. It is not advisable to put a glass plate on the tablecloth to avoid the dazzling light, and the indoor lighting is equipped with fluorescent lamps, so as to maintain harmony with the surroundings.

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