Whenever the temperature had just begun to rebound, we began to prepare for the coming summer.
Some people begin to buy new clothes, some people bought the swimsuit to go to swimming, and more and more people will choose to start with a sunglasses.
Sunglasses factory YC9705 general sunglasses C7 white/color purple is well known, process and selection of the glasses has certain requirements, but do you know?
The choice of sunglasses also have a lot of you need to know, such as the identity of the sunglasses.
First of all, you need to know about ultraviolet resistant identification.
Ultraviolet radiation to the human eye injuries mainly depends on the wavelength of ultraviolet light, radiation time and radiation intensity, the strength of the defense mechanism, the human eye and cornea, lens is often the uv damage the eye tissues, sunlight keratitis cataract and corneal endothelial injury, sun is associated with eye diseases.
A pair of sunglasses ultraviolet prevention function, we can't identify with the naked eye, the manufacturer of the product is an express promise of consumer choose and buy has the protective function of sunglasses reference, we can see in some of the product label and glasses positive such as: '100% of ultraviolet prevention', 'UV400', 'cut off all of the ultraviolet ray', such as 'anti ultraviolet' express identity.
Second, you need to know about safety performance.
Sunglasses with safety performance, the lens using impact resistant materials, such as PC tablet on the label and tend to be marked on the manual 'shock resistance', 'through the FDA certification', 'conforms to the European and American standards', etc. , if the product can meet the requirements of logo on, motorcyclists, drivers, etc have special request for the safety of consumers is a good choice.
Commitment to the product identification, consumers should learn to protect themselves, keep the label or instructions or good, or let the merchants marked on the invoice, in the event of dispute, we would not be a lack of evidence and passive.
Sunglasses factory YC9702 general sunglasses C1 black box white leg/lens dazzle colour after silver, remind everybody sunglasses to wear need to be aware of some of the things.
Good sunglasses are the main features or keep out sunshine, we don't want to play handsome dark place indoors or dusk has been wearing sunglasses, this will increase burden of eye, thus make eye fatigue, serious still can cause vision loss.