Science and technology is a double-edged sword. While enjoying the achievements brought by science and technology, we are also consuming our own health. The popularity of mobile phones and computers not only facilitates our work and life, but also has a great impact and harm on our eyesight health! We have learned the harm of electronic blue light through many ways, but we have to face the harm of blue light with luck every day. In fact, the harm of blue light is far greater than our cognition. How terrible is it? Let's explore!
There is no doubt that blue light is harmful to people! Blue light is called blue light because it is divided into visible light and invisible light. Light with a wavelength range of 380nm ~ 500nm in visible light is perceived by our retina as blue, so it is called blue light. It can penetrate the lens to the retina, cause optical damage and accelerate the oxidation of macular cells.
Blue light exists in the screens of digital products such as TV, computer, mobile phone and tablet. The damage of blue light to vision is a chronic accumulation process. If we don't pay attention to the healthy use of eyes such as mobile phone and tablet all day and put down the computer to watch TV, we will have a greater chance of blindness caused by cataract and macular degeneration over time.
The damage of high-energy blue light in mobile phones and tablets is a chain reaction, which first causes the death of light sensitive cells, then causes retinal macular degeneration, and then leads to the gradual decline or even complete loss of vision, which is often irreversible. In addition, blue light can also inhibit the secretion of melatonin, disturb sleep and improve the incidence of major diseases.
The harm of blue light to the eyes varies with age. Children's eyeball crystals are not yet mature and are very sensitive to strong blue light, so they are particularly vulnerable to blue light damage! The eye lens of adults will become larger and yellow with age, so the damage of blue light to the eyes of adults will be less than that of children.
So can we completely isolate the blue light?
The answer is No. Although blue light is harmful to human body, it also has a beneficial side. For example, blue light plays a key role in why we humans can feel the colorful and colorful world; In addition, blue light also contributes to the formation of the human body's biological clock.
How to make the best of both worlds, not only retain the beneficial blue light, but also block the invasion of harmful blue light? To solve this problem, both domestic and foreign experts and relevant experiments have proved that anti blue light glasses can block harmful blue light. Therefore, wearing professional and effective anti blue light glasses is the key.