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What should be paid attention to when using indoor lights

by nadlia
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L78Here is a separate talk about the basic understanding of the light source before the decoration.

When decorating, many people blindly pursue the effect when choosing lamps and lanterns. They should be fancy and bright, and the style of KTV private rooms is their favorite. Such people can be said to be completely ignorant of lighting.

| Wrong use of light can cause these effects

Reasonable use of indoor lighting not only makes the family atmosphere more warm, but also affects our lives subtly. Improper lighting settings may cause these effects:

Exposure to too much light at night may cause dizziness, emotional irritability, even high blood pressure, heart palpitations, etc., and severe depression may occur. It will inhibit the secretion of melatonin in the human body or reduce its concentration, causing the normal circadian rhythm of people to be disrupted, causing problems such as insomnia and decreased sleep quality. Unreasonable use of light has a particularly serious impact on infants and young children, not only affecting vision development, but also interfering with the central nervous system function of the brain.

| Key words

cool / warm light

Color temperature generally refers to the color of the light. The redder the light, the lower the color temperature, and the bluer the light, the higher the color temperature. Warm light generally refers to light with a low color temperature, which looks like daylight in the morning and evening; cool light refers to light with a high color temperature, which looks like daylight at noon. It is generally recommended to choose warm color light for home use, preferably below 3000K (Kelvin), and many IKEA lights are 2700K. First, warm light will make the room more warm and comfortable; second, it helps to reduce the inhibition of melatonin in the human body. Of course, it is not absolute. For a place like the kitchen that requires fine manipulation, a white light source with a high color temperature will illuminate brighter and be seen more clearly.

Color rendering

If you have heard of warm and cold colors more or less, then “color rendering” is a term that many people have never heard of. Color rendering refers to the degree of lifelike color of objects under light. For the selection of lamps and light sources, this is a very important basic concept. A light source with low color rendering will cause a large deviation in the color seen by our eyes, and the object will deviate from the original color, and the whole thing will become unrealistic (just like Meitu), and it is easy to fatigue the eyes. For indoor use of lamps, the color rendering index should be above 80. When choosing a light source or lamp, pay attention to this index on the label.

glare

Glare refers to whether the light is dazzling, the more dazzling, the higher the glare level. The energy-saving lamps commonly used in the past are not a big problem because their brightness is not high. However, the glare level of commonly used LED lights and straight tube lights is not low, so a diffuser cover is required. When installing spotlights and downlights, control the angle well, and don’t let the eyes easily see the light source and irritate the eyes. When installing lamps and lanterns, grasp a principle: Try not to see the light source directly during normal activities, the light source will not be dazzling, or it is better not to feel dazzling at a glance.

Color Some people like colorful lamps, especially children, and the colored lamps of various shapes are simply irresistible. Parents are also willing to install such lamps in children’s rooms out of love for children. What needs to be realized is that this kind of lamp does not have any benefits for the child’s vision development, and may have adverse effects.

| Suggest

Play the role of auxiliary lights
This point has been mentioned in many places, whether you are watching TV or using a computer, you should not turn off all the lights, and you should not just turn on the desk lamp when doing homework. This can cause visual fatigue and damage the eyes.

9 point rule

After 9 o’clock in the evening, turn off some lights or lower the brightness, which can gradually increase the concentration of melatonin in the body, so as to avoid insomnia and affect deep sleep. Try not to turn on the lights when you sleep, because the light will enter the retina through the eyelids, inhibit melatonin, and affect the quality of sleep.

The baby room should be good at borrowing light

Babies are very sensitive to sleep, so low-brightness light sources or refracted light should be used in the baby room, such as the under-bed sensor lights mentioned in “Principles of Human Body Sensor Lights and Selection Guide”. If these conditions are not met, use lights at night, and try to use night lights with warm colors.

Children take a bath with caution

When bathing children in cold weather, many parents will habitually turn on the bath heater. But children will not avoid the dazzling Yuba lights like adults, and some will keep staring at the Yuba because of curiosity. In the future, there is a black spot on things, which cannot be repaired. If there is really no way to use the Yuba, be careful to keep the child’s eyes away from the Yuba when taking a bath, so as not to cause injury.

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