There is such a saying in the near vision: whether you are nearsighted or not, you must have fantasized about what you look like wearing glasses.

In addition to being functional items, kids eyeglasses near me have gradually become ornaments, and some students will deliberately buy a pair of pure frames to wear.

But the real people who wear glasses because of myopia have such a problem: the moment when they enter the room from the outside in winter, they can't see anything; The haze is coming, because of the fog of glasses, many masks can not wear; When eating hot pot, hot noodles, basically rely on smell.

In the first half of this year, the National Health Commission introduced the results of the 2018 National Children and adolescents myopia survey: In 2018, the overall myopia rate of children and adolescents in the country was 53.6%, and in the group of high school students, the myopia rate reached an astonishing 81%.

The huge consumer group has also brought about the vigorous development of the glasses market, then, consumers as a part of this huge industry, how to choose a pair of suitable glasses?

How to choose the right frame for yourself?

Ordinary customers buy a pair of glasses is basically divided into the selection of frames and selection of lenses these two parts. For the selection of frames, in addition to the subjective factors caused by personal aesthetic differences, another factor we decide whether to buy is the comfort of wearing.

Maybe everyone has such a feeling: why the glasses displayed in the display case in the store look similar, but some glasses feel very comfortable to wear, and some are not so comfortable?

The main reason for this is that everyone has a different face shape. Comfort mainly depends on the width of the frame and the length of the mirror leg. If the width of the frame is too large, it will become old, and if it is too small, it will be too tight and uncomfortable. If the legs are too long, they are too loose, and if they are too short, they are too veneer.

So these two data points are very important when choosing a frame.

We see that there is a parameter of the width of the frame, generally within 137mm are small faces, and about 140 is the normal size.

If your face is larger than 144mm, then your face is more likely to be wide.

Some students sometimes encounter such a problem: wearing a pair of glasses is quite suitable, and so on to change the glasses, only to look beautiful, the new glasses after buying back to find that wearing uncomfortable.

Here to teach you a little trick, when buying glasses, you can refer to the frame parameters of the previous pair of glasses to buy new glasses.

So how do we know the parameters of a frame? Short-sighted friends can take off their glasses and see a string of numbers in one part of the mirror leg (mostly on the mirror leg).

52-21-140, this is the parameters of the frame, 52 refers to the width of the frame 52mm, 21 refers to the width of the nose bridge 21mm, 140 finger mirror leg length 140mm.

What kind of lens are you wearing?

After selecting the frames, the next step is to choose the lenses.

From the lens material, it is generally divided into three kinds: glass material, PC resin material, resin material.

The glass material has almost been eliminated by the market, because the glass lens is heavier than the resin, the heavy lens is pressed on the bridge of the nose, and long-term wear usually produces two deep marks on the bridge of the nose.

A glass lens

PC resin lens is a kind of lens made of polycarbonate (thermoplastic material) after heating and shaping. This material was developed from space exploration, so it is also called space sheet or space sheet.

PC lenses have the following advantages:

With anti-ultraviolet function, almost 100% anti-ultraviolet ability;

Lighter weight, the weight will be about 30% lighter than ordinary resin sheet, about 50% lighter than glass sheet;

It has strong impact resistance, 10 times stronger than the impact resistance of resin sheet and more than 60 times stronger than glass sheet.

In terms of price, PC lenses are the most expensive.

At present, the most popular type of lens material on the market is resin material, because of its impact resistance, robustness, light transmission, wear resistance and other properties are good, and affordable, so it is very popular.

So choose PC material or ordinary resin material lens, everyone according to personal economic situation to choose.