Sunglasses, also known as sunglasses, wear it more than just functional blackout, it is self-expression trend attitudes. However, you know? Purchase and wear sunglasses to follow certain standards.
       Sunglasses styles, buying criteria people do not know.
       In recent days the weather is good, some people began to wear sunglasses, strong sunlight can prevent damage to the eyes, but also as a fashionable decoration to express their fashion attitude. Whether it is the roadside shops or major optical shops are filled with trendy styles, a wide variety of sunglasses. But reporters noted that, in their choice of purchase and wear sunglasses, did not know to have a certain standard.
       Public Liu said: "The sun is strong when will wear sunglasses, but it is not clear what the purchase and wearing sunglasses standard, which is generally what to buy good-looking." Wang said the people: "Buy a lot of sunglasses, but not heard say what criteria, sunglasses are not the same? "

UV strong, shading to buy sunglasses.
Of the Earth's surface contains ultraviolet rays of the sun, the human eye's cornea and lens are the most vulnerable to UV damage to the eye tissue. "Cataract" is closely related eye diseases. Due to increased environmental damage to the ozone layer, as well as people in outdoor activities, UV damage to the human eye can not be ignored. Wear sunglasses is undoubtedly a good way to protect the eye from UV damage.
    In accordance with international standards, eye sunglasses are classified as personal protective equipment category, international standard sunglasses again subdivided into "Fashion Mirror" and "general purpose with a mirror." Standard on the "Fashion Mirror" quality requirements are relatively low. Because "Fashion Mirror" The main highlight is the style, the wearer focus on its decorative role, rather than protection. For "general purpose with a mirror" quality requirements are more stringent, including for UV protection, as well as diopter and prism degree requirements.
Multi-purpose sunglasses, choose to have the basic principles.
Eye experts say, different groups of people to choose sunglasses according to different preferences and use, but the most fundamental thing is to protect the basic principles from the wearer's safety and vision not damaged departure. Reduce glare stimulation, visual clarity without distortion, anti-UV, no distortion of color recognition, accurate identification of traffic signals, if these features are flawed, ranging from loss of sunglasses role in weight will produce dizziness, eye soreness and other symptoms sometimes slow to react, argue color visual illusion and walk inequality symptoms, or even cause a traffic accident. So choose sunglasses can not just focus on style and ignore quality.
   Eye experts made it clear that: "sunglasses mainly by blocking ultraviolet rays to protect the eyes against strong sunlight ultraviolet damage to the human eye lenses of different materials have different refractive index and refraction, each pair is different is hard to say. different stores selling quality sunglasses What's the difference, but regular sunglasses big stores generally have more quality assurance, can better protect your eyes from sun damage. "
   Ya'alon Optical Co., Ltd. joint major famous sunglasses manufacturers, since the beginning of this year, 5.1 for sustained health sunglasses popular marketing activities, Yaron Optical Co., Ltd. all stores selling sunglasses sunglasses products meet health standards, but also the public going to the store glasses get professional optician optometric adviser free service, depending on your habits with the eyes and use of the environment for you to tailor the most suitable sunglasses for your products, so you use the process without any worries!