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UV value is not the only standard judgment of sunglasses worn
by：Eugenia
2020-08-14
Now more and more hot weather, hot days, the sun is dazzling, a lot of people would wear sunglasses when you go out, but can buy sunglasses on the market, price difference is too big, cheap a few dollars, ten dollars, you have thousands of yuan.
Exactly what kind of sunglasses uv protection effect is good?
the roadside stalls sunglasses can prevent ultraviolet radiation?
in the face of sunglasses in a wide range of designs, how should we choose? Everyone has their own points of view. Some people like more fashion, someone wants to wear comfortable. In an interview, the reporter understands, a lot of people when the choose and buy sunglasses glasses is important to look and affordable price, the quality of these stalls cheap sunglasses can pass a barrier? If you don't pass, that the harm of glasses have how old? Reporter arrived near the grand view garden, found here is filled with stalls selling cheap sunglasses, the price of these sunglasses are between 20 and 50 yuan.
20 dollars could buy a pair of sunglasses, that this kind of sunglasses to prevent bask in effect how? Reporter found that these sunglasses with uv index UV400. Reporter spent twenty dollars, the seller was bought a pair of called to radiation protection and uv protection sunglasses, prepared with these sunglasses to find some professional personnel to verify the quality. In a professional optical shop, shop staff, said that marked on glasses uv400 mean uv index, general uv index to reach 385 can effectively prevent ultraviolet ray, so this kind of sunglasses exactly have reached the standard?
you can see, through the professional test instrument, the sunglasses uv index can achieve UV400. 20 dollars sunglasses can also reached the standard of uv protection, to tell the truth a little surprised reporter, if so, we can buy stalls of cheap sunglasses can prevent ultraviolet, but then the store had surprised reporter more professional words.
truth is simple: is the lens can uv!
a optical shop sales manager, said: as long as it is lens, has the function of uv protection.
with doubt the reporter made a test, his own myopic lens is put up, find myopic lens uv index also amount to mark, the reporter was very confused.
staff told reporters that now many people are buying sunglasses, focused on the sunglasses uv value, thought that the uv values as long as standard can prevent ultraviolet light hurt my eyes, in fact, uv value standard of some sunglasses, eye damage is not small.
sunglasses to choose myth: UV value standard is not equal to protect eyes
optometrist Zhang Haiying said, UV value 400 is not the judge of sunglasses worn standard, but in the work process of sunglasses and comfort, light transmittance, is also essential.
the optometrist said, see light transmittance is not a good way to also is very simple, as long as five minutes to ten minutes eyes with glasses not tired not fuzzy, light transmittance even if they could. This, along with the quality of the lens and film layer on the surface of the has a lot to do. Most sell radiation-proof sunglasses are on the market do not have this effect, because the radiation protection sunglasses price is expensive, is plated on the lens of a radiation protection film layer, a more affordable won't have this effect.
in addition to this, the journalist from the optometrist to corrected the myth of a wear sunglasses, a lot of people think generally, sunglasses only sunny day in the summer, the sun is dazzling, to need to wear, it is also wrong.
optometrist Zhang Haiying said that sunglasses are not only wear in the summer, when it's cloudy ultraviolet intensity may be stronger than a sunny day, so whether in winter or summer, if the sun can wear sunglasses.
sunglasses choice was simple: qualified and suitable
to know so much misunderstanding, how to choose a good quality, and is suitable for your sunglasses?
optometrist Zhang Haiying said, the choose and buy sunglasses first to see if there are any qualified production pass, to have a look at this one isn't suitable for their own face, look at the quality of the sunglasses and light transmittance of the lens is ok.
small sunglasses, there is so much of the knowledge, is in the mirror, don't forget to consider when choosing just expert advice, don't maltreat his own eyes.
the roadside stalls sunglasses can prevent ultraviolet radiation?
in the face of sunglasses in a wide range of designs, how should we choose? Everyone has their own points of view. Some people like more fashion, someone wants to wear comfortable. In an interview, the reporter understands, a lot of people when the choose and buy sunglasses glasses is important to look and affordable price, the quality of these stalls cheap sunglasses can pass a barrier? If you don't pass, that the harm of glasses have how old? Reporter arrived near the grand view garden, found here is filled with stalls selling cheap sunglasses, the price of these sunglasses are between 20 and 50 yuan.
20 dollars could buy a pair of sunglasses, that this kind of sunglasses to prevent bask in effect how? Reporter found that these sunglasses with uv index UV400. Reporter spent twenty dollars, the seller was bought a pair of called to radiation protection and uv protection sunglasses, prepared with these sunglasses to find some professional personnel to verify the quality. In a professional optical shop, shop staff, said that marked on glasses uv400 mean uv index, general uv index to reach 385 can effectively prevent ultraviolet ray, so this kind of sunglasses exactly have reached the standard?
you can see, through the professional test instrument, the sunglasses uv index can achieve UV400. 20 dollars sunglasses can also reached the standard of uv protection, to tell the truth a little surprised reporter, if so, we can buy stalls of cheap sunglasses can prevent ultraviolet, but then the store had surprised reporter more professional words.
truth is simple: is the lens can uv!
a optical shop sales manager, said: as long as it is lens, has the function of uv protection.
with doubt the reporter made a test, his own myopic lens is put up, find myopic lens uv index also amount to mark, the reporter was very confused.
staff told reporters that now many people are buying sunglasses, focused on the sunglasses uv value, thought that the uv values as long as standard can prevent ultraviolet light hurt my eyes, in fact, uv value standard of some sunglasses, eye damage is not small.
sunglasses to choose myth: UV value standard is not equal to protect eyes
optometrist Zhang Haiying said, UV value 400 is not the judge of sunglasses worn standard, but in the work process of sunglasses and comfort, light transmittance, is also essential.
the optometrist said, see light transmittance is not a good way to also is very simple, as long as five minutes to ten minutes eyes with glasses not tired not fuzzy, light transmittance even if they could. This, along with the quality of the lens and film layer on the surface of the has a lot to do. Most sell radiation-proof sunglasses are on the market do not have this effect, because the radiation protection sunglasses price is expensive, is plated on the lens of a radiation protection film layer, a more affordable won't have this effect.
in addition to this, the journalist from the optometrist to corrected the myth of a wear sunglasses, a lot of people think generally, sunglasses only sunny day in the summer, the sun is dazzling, to need to wear, it is also wrong.
optometrist Zhang Haiying said that sunglasses are not only wear in the summer, when it's cloudy ultraviolet intensity may be stronger than a sunny day, so whether in winter or summer, if the sun can wear sunglasses.
sunglasses choice was simple: qualified and suitable
to know so much misunderstanding, how to choose a good quality, and is suitable for your sunglasses?
optometrist Zhang Haiying said, the choose and buy sunglasses first to see if there are any qualified production pass, to have a look at this one isn't suitable for their own face, look at the quality of the sunglasses and light transmittance of the lens is ok.
small sunglasses, there is so much of the knowledge, is in the mirror, don't forget to consider when choosing just expert advice, don't maltreat his own eyes.
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