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.
Color distinction of factory 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..

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation..

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems








Take, off your ,glasses, as much as possible (e.g. when eating, sitting with friends). ,Do, not wear them unless you absolutely need to see something clearly that you can’t see without them. When working on the computer or doing close work, ,take, breaks and look out a …

2/7/2016, · ,Glasses, Style. Though secondary to the ,kind of helmet, you'll potentially be getting, the ,kind, of ,glasses, you're wearing are going to play a role in this decision as well. If you have a prescription, there's not much you can ,do, to change that, but you can think about your ,glasses,' frames and how they might work with different ,helmet, varieties.

Take, off your ,glasses, as much as possible (e.g. when eating, sitting with friends). ,Do, not wear them unless you absolutely need to see something clearly that you can’t see without them. When working on the computer or doing close work, ,take, breaks and look out a …

Glasses, for astigmatism are usually associated with two conditions; ,myopia, and hyperopia, which are also known as refractive errors. Astigmatism is usually present from birth, but can develop at any time throughout your life and will be diagnosed in a routine eye examination.

Myopia, runs in families and will probably start in childhood. Multifocal lens (,glasses, or contacts) and eye drops such as atropine, pirenzepine gel, or cyclopentolate can help slow the progression.

Nearsightedness,, or ,myopia,, is a vision condition in which people can see close objects clearly, but objects farther away appear blurred. ,Myopia, occurs if the eyeball is too long or the cornea (the clear front cover of the eye) is too curved. As a result, the light entering the eye isn't focused correctly, and distant objects look blurred. ,Myopia, affects nearly 30% of the U.S. population.

Myopia,, which is also known as short-sightedness or ,nearsightedness,, is a growing problem. In fact, a recent study predicts that ,myopia, will affect vision for nearly half of the global population by 2050. 1 ,Myopia, usually begins in childhood when the eyeball grows too long, causing blurry distance vision.

Myopia, runs in families and will probably start in childhood. Multifocal lens (,glasses, or contacts) and eye drops such as atropine, pirenzepine gel, or cyclopentolate can help slow the progression.

Myopia, runs in families and will probably start in childhood. Multifocal lens (,glasses, or contacts) and eye drops such as atropine, pirenzepine gel, or cyclopentolate can help slow the progression.

Among the children completing the 30 months of follow up, ,myopia, progression (mean spherical equivalent of the two eyes) averaged 0.99 D for bifocals and 1.24 D for single vision . They concluded use of bifocals, instead of single-vision ,glasses,, by children with near-point esophoria seemed to slow ,myopia, progression to a slight degree.

2/7/2016, · ,Glasses, Style. Though secondary to the ,kind of helmet, you'll potentially be getting, the ,kind, of ,glasses, you're wearing are going to play a role in this decision as well. If you have a prescription, there's not much you can ,do, to change that, but you can think about your ,glasses,' frames and how they might work with different ,helmet, varieties.

Short-sightedness (,myopia,) usually occurs when the eyes grow slightly too long, which means they're unable to produce a clear image of objects in the distance. It's not clear exactly why this happens, but it's thought to be the result of a combination of genetic and environmental factors that disrupt the normal development of the eye.

A new ,type, of dual focus contact lens has been shown to slow the progression of ,nearsightedness, in children between 8 and 12 years old. Orthokeratology. In this procedure, you wear rigid, gas permeable contact lenses for several hours a day until the curvature of your eye evens out.

Myopia,. Hyperopia. Presbyopia. What are reading ,glasses,? Reading ,glasses, are a ,type, of single-vision lens. Often, people with presbyopia see objects in the distance clearly but have trouble seeing the words when they’re reading. Reading ,glasses, can help.

Among the children completing the 30 months of follow up, ,myopia, progression (mean spherical equivalent of the two eyes) averaged 0.99 D for bifocals and 1.24 D for single vision . They concluded use of bifocals, instead of single-vision ,glasses,, by children with near-point esophoria seemed to slow ,myopia, progression to a slight degree.

Although its impact has recently been questioned, 6 many studies show an association between near work and ,myopia,, particularly for near work induced transient ,myopia,, 7, 8 close working distances and prolonged durations of continuous reading. 9 While there are many other theories on how close work could cause ,myopia,, including increased negative spherical aberration, 10-12 altered Stiles ...

Among the children completing the 30 months of follow up, ,myopia, progression (mean spherical equivalent of the two eyes) averaged 0.99 D for bifocals and 1.24 D for single vision . They concluded use of bifocals, instead of single-vision ,glasses,, by children with near-point esophoria seemed to slow ,myopia, progression to a slight degree.

Do, you sometimes wonder what the best options are for treatment of ,nearsightedness,? Let’s ,take, a look at the most common paths of treatment. ,Glasses, for Correcting ,Nearsightedness,. The easiest and most common way to correct ,myopia,, especially with children, is with eyeglasses. Eyeglass lenses correct the angle at which light hits your retina.

Nearsightedness,, or ,myopia, is a common vision problem that affects about four out of every 10 people 1. People who are nearsighted have trouble seeing in the distance. Eyeglasses used to correct ,nearsightedness, are either prescribed to be worn occasionally such as driving or watching a movie or prescribed for full-time use when someone has trouble seeing at most distances.

The ,glasses, may not fit your head, they may not be spaced correctly for your eyes, and they will not consider astigmatism or other potential causes of blurry vision. Wear ,glasses, consistently. You may be tempted to ,take, your ,glasses, off, and if you are new to wearing ,glasses,, you may forget to put them on.