Bright tiles can not only make the room look beautiful, bright, but also to a certain extent, to make up for the lack of lighting, many families have this preference, but it is understood that the room walls, floors with some tiles (mainly refers to the polishing After the brick and part of the antique brick are decorated, the light reflection coefficient is as high as 90%, which greatly exceeds the physiological adaptation range that the human body can bear. It will cause light pollution and damage human health. It is not suitable for use in the living room. Let's take a look!
Smic tiles
Light pollution in the visual environment can be roughly divided into three types:
First, outdoor environmental pollution, such as the reflective exterior of a building;
Second, indoor environmental pollution, light pollution caused by indoor tiles fall into this category;
Third, local environmental pollution, such as book paper.
Among them, the polished bricks and antique tiles have increased the brightness of the brick surface due to the use of related technologies, resulting in a higher reflection coefficient of the light, which is about 10 times higher than the reflection coefficient of the rough surface decoration. Light pollution can cause myopia and cataracts Deputy Chief Physician Tao Hai of the General Hospital of the Armed Police said to reporters that light pollution will cause the human eye's retina to be stimulated.
In general, people's vision will temporarily drop by 30% after watching TV continuously for several hours. The long-term living in the living room with smooth walls and floors, the light reflex will stimulate the retina, beyond the eye coordination, make the eyes tired, and even lead to reduced visual function. Light pollution can also cause damage to the cornea and iris of the human eye, inhibiting the function of the retinal photoreceptor cells.
The study found that people who work and live in a white, light-stained environment for a long period of time experience a sharp decline in their visual acuity and the incidence of cataracts is as high as 45%. At the same time, they are prone to dizziness, upset, insomnia, loss of appetite, depression, and the body. Weakness and other symptoms similar to neurasthenia. The survey shows that long-term exposure to various light pollution in the surrounding environment is also one of the major reasons why our country’s young people’s nearsightedness rate remains high. Choosing tiles to make eyes comfortable The Secretary-General said that since August 1, 2005, the state has implemented mandatory signs (3C logos) for the three types of decoration products, including porcelain tiles, mainly to detect whether its radiation is Up to standard. As some ultra-white tiles use additives that act as "white" in the production process, and such additives contain radioactive substances, radioactive contamination and light pollution may be formed. In the regulations, the certified porcelain tile is a product that complies with GB-T400.1 standard and has a water absorption rate of 0.5 or less. It is mainly composed of polished tiles and antique tiles, and glazed tiles and some wall tiles are not included in this range. Finally, Secretary-General Yu Bin stressed that the best visual environment should be fully coordinated with the human eye in terms of color, light frequency, brightness, shape of objects, and sports. Therefore, when decorating a home, it is best to choose matt bricks; the study room and children's room should use floor instead of floor tiles. If you use a polished tile, you usually want to turn on a small light at home, but also to avoid direct light or reflection through the eyes. Due to the strong reflection of white and metallic colored tiles, it is not suitable for use in large areas.
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