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.
Production of medical protective clothing in Qingdao
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
Gamers and students are notorious for having very poor sleep habits and excessive eye strain . Many lens companies are now selling blue light protection lenses that filter this blue light. All blue filtering lenses are not the same. Some lenses have certain tints that are used to absorb some of this blue light.
As our eyes get older, the lens begins to block short-wavelength blue light. During cataract surgery, the patient’s damaged, cloudy lens is replaced with an artificial, intraocular lens (IOL). These new lenses can offer blue light protection but the amount depends on the type of IOL used.
Do photochromic (transition) ,lenses, block ,blue, light?Yes, but ,blue, light ,protection, is not the primary reason people use photochromic ,lenses,. Most people buy photochromic ,lenses, to ease the transition from artificial (indoor) to natural (outdoor) lighting.
For ,protection,, it is necessary to use ,lens, coatings to filter out the harmful ,blue, light and let in the good. This will ensure constant ,protection, for your ,eyes, without affecting your vision at all. Clear protective ,lens, coatings like Crizal, are perfect for indoor and outdoor use, making it a convenient solution to the harmful ,blue, light.
The College’s position. The best scientific evidence currently available does not support the use of ,blue,-blocking spectacle ,lenses, in the general population to improve visual performance, alleviate the symptoms of ,eye, fatigue or visual discomfort, improve sleep quality or conserve macula health.
well if you look at computer screen all whitish become little yellowish. plus on spectacle ,lens,’s you will find Blueish reflection only if it has bluelight ,protection, correct me if i’m wrong . you will see greenish it it has UV ,protection, i’m not ...
This is a protective coating that reduces the blue light emitted by digital screens. It is the optimal solution for people who use digital screens throughout the day, including students, gamers, young professionals, office workers and children. In addition to protecting the eyes, the coating provides a higher contrast and a more relaxed viewing ...
GUNNAR PATENTED LENS TECHNOLOGY. GUNNAR is the only patented gaming and computer eyewear recommended by doctors to protect and enhance your vision. GUNNAR blue light glasses address all short and long-term side effects of digital eye strain, including: headaches, dry eyes, blurry vision, glare, negative effects of artificial blue light, eye strain ...
Blue-violet light from phones, computers, and tablets may cause some serious eyestrain, but our blue light blocking lenses are designed to provide protection from all that screen time. EBDBlue Plus features advanced blue light technology with UV protection, an easy-clean coating to reduce smudging, and an anti-static layer for less dust buildup and clearer lenses.