Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Custom made safety helmet
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
Blue light exposure, may increase the risk of macular degeneration. The fact that ,blue light, penetrates all the way to the retina (the inner lining of the back of the eye) is important, because laboratory studies have shown that too much ,exposure, to ,blue light, can damage ,light,-sensitive cells in the retina.
7/7/2020, · The ,blue light, suppressed melatonin for about twice as long as the green ,light, and shifted circadian rhythms by twice as much (3 hours vs. 1.5 hours). In another study of ,blue light,, researchers at the University of Toronto compared the melatonin levels of people exposed to bright indoor ,light, who were wearing ,blue,-,light,–blocking goggles to people exposed to regular dim ,light, without wearing ...
What is ,blue light,? ,Blue light, is all around us, there is both natural ,blue light, and artificial ,blue light,. Natural ,blue light, comes from the sun. It is a short wavelength of visible ,blue light, and high in energy. On a clear day, the sky appears ,blue, due to the high degree of ,blue light, scattered in the atmosphere.
Exposure, Lights ,Helmet, Mount Clip. Bringing your ,Exposure, Lights to the fore by making it mountable onto a range of ,Helmet, Brackets including Go-Pro, Sony, and ,Exposure, Lights brackets. The Adhesive ,Helmet, Mount Clip makes for a modest addition but marks a big improvement to the versatility of your ,Exposure Light,.
The body uses the natural ,blue light, from the sun to distinguish between day and night and to regulate our sleep-wake cycle. The perception of ,blue light, (approx. 490 nm) stimulates and controls the production of the sleep hormone melatonin. ,Blue light, is also thought to lift our mood and increase the feeling of well-being.
4. ,Blue light exposure, may increase the risk of macular degeneration. The fact that ,blue light, penetrates all the way to the retina (the inner lining of the back of the eye) is important, because laboratory studies have shown that too much ,exposure, to ,blue light, can damage ,light,-sensitive cells in the retina.
Blue light, is the next strongest wavelength, and poses the most risk for damaging the retina. That’s why it’s so important to understand how ,blue light, affects your health. How ,Blue Light, Affects Your Health – The Good & Bad. Overexposure to ,blue light, has both short and long term effects on your health.