What exactly is blue light?
Blue light here refers to the light with relatively high energy with the wavelength between 400 nm and 480 nm, which exists not only in sunlight, but also in the display screens of digital electronic products such as mobile phones.
How does blue light hurt eyes?
Look at our eyeball structure first. The first half is the regulation mechanism, and the middle macula is the most sensitive part to see things.
We all know that ultraviolet rays harm the eyes. Ultraviolet rays are absorbed in our cornea and lens, while blue light reaches the fundus through the anterior structure, which harms the eyes (although blue light is not particularly dazzling, it has strong penetrating power).
How widely does blue light harm the body?
In addition to eye damage, blue light will also affect our bodies. For example, people like to take selfies now, and the blue light of mobile phones will also damage the skin, leading to skin deterioration. Some experts even believe that the electromagnetic radiation of smart phones will damage the genes of the skin, which will lead to gene chain breakage and hinder the repair and regeneration of the skin.
How serious is the damage of blue light?
Like eyes Association of WHO announced that from 20 10 to 20 12, more than 30,000 people around the world are blinded by blue light radiation every year, and issued an orange warning at the end of 2009: "The potential hidden threat of blue light radiation to human beings will far exceed the destructive power of Sudan Red, melamine, SARS and HINI, and it will devour people's eyes invisibly".
What are the symptoms of blue light eye injury?
The harm of blue light to human eyes is mainly a chronic process. First of all, things are blurred, and due to continuous accumulation, vision is reduced or even lost. Like some high-intensity searchlights and spotlights, it is very easy to cause injuries and may be blind in an instant. This kind of damage is irreversible!
Blue light has a more obvious impact on those people?
According to scientific experiments, teenagers have the weakest resistance to blue light among all people. For example, if 100 blue light irradiates teenagers' eyes, then teenagers' eyes can only resist the damage of 15 blue light. Therefore, especially in this period, the harm of blue light must attract people's special attention.
How to effectively prevent blue light?
1, don't stare at the mobile phone and computer screen for a long time.
2. Eat more foods that are good for your eyes, such as vegetables and fruits containing zeaxanthin and lutein. (Good eyesight lutein blueberry grape seed vitamin E soft capsule contains lutein, proanthocyanidins and other eye protection elements to supplement the nutrients needed by the eyes. )
3 ? Use hardware-grade eye protection mobile phones for children.
This article was published by Eye Protection Angel on 2017/05/08. 17:09