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Here's how to choose your glasses:
Clause. 1. When choosing myopia glasses, you must go to a regular hospital for dilated refraction to see the true refractive state of the eyes. During the audition process, it is necessary to clarify whether you will feel dizzy when wearing glasses, whether you can look at things tilted or deformed, whether you can see things in the distance clearly, and whether your corrected vision can achieve the above.
Clause. 2. The principle of wearing glasses is to achieve the best corrected visual acuity with the lowest power, and if the above conditions can be met, they can be worn.
Clause. 3. For patients with high myopia, the lens frame should not be too large, the center of the lens should coincide with the center of the pupil, and the distance between the apex of the lens and the cornea of the eye is about 12mm, which should not be too close or too far. In addition, the frame should be flat on the table, not one leg high and one leg low.
And you can't blindly pursue glasses, the choice of glasses is mainly to choose a pair of glasses with your own comfortable and suitable glasses, often not much to do with **, so don't blindly pursue**.
Precautions for buying glasses
1. Choose a qualified fitting shop or regular hospital to order, check whether the fitting shop has a business license and other necessary documents and professionals with corresponding qualifications, and check whether the optometry instruments and equipment are within the verification cycle.
2. Pay attention to the quality of spectacle frames and spectacle lenses, and check whether the lenses and frames have been obtained and affixed with QS quality and safety marks. The physical surface of the lens should be smooth, the perspective should be clear, the color should be uniform, there should be no defects and obvious scratches, the electroplating layer of the frame should be bright, and the surface should be free of wrinkles, corrosion points and discoloration.
3. After the purchase, you should pay attention to obtaining the voucher from the merchant and keep it properly to protect your legitimate rights and interests.
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1. Choose lenses carefully.
The quality of lenses is an important factor in determining the quality of a pair of glasses. At present, there are mainly optical glass lenses, resin lenses, MR lenses and PC lenses on the market. Ordinary glass lenses are cheaper and scratch-resistant, but heavier; Resin lenses and PC lenses are lighter and less fragile, especially PC lenses, which can get rid of rhinitis and headaches caused by pressure on the nose bridge, and are safer for people who love sports.
MR lenses are high-refractive index lens materials with balanced performance indicators, the lenses are light and thin, the vision is clear, the pressure resistance is high, the lens is not easy to damage, and the important thing is that it is not easy to turn yellow, and it is clear and bright for a long time. From an aesthetic point of view, lenses with a high refractive index should be selected for height.
2. Choose the light frame.
Since the frame needs to rest on our nose for a long time, we want to prioritize its weight. A good pair of glasses should be sturdy, lightweight and comfortable. For people with sensitive nose bridges, it is more in line with health needs to choose lighter plates or lightweight tungsten carbon and pure titanium.
If the prescription is higher, you can choose a smaller frame to reduce the weight of your glasses. You can also choose glasses with nose pads, which can reduce the weight on the bridge of the nose.
3. The size of the frame should be reasonable.
Large-framed glasses have become popular in recent years, but for short-sighted or far-sighted glasses, the larger the frame, the greater the weight. The general rule of thumb is that the upper frame of the frame should not be higher than your eyebrows, and the lower frame should not be pressed against the cheekbones, even if it is only pressed when you are smiling, it means that the glasses you have chosen are on the large side.
4. Pay attention to the width of the frame.
When choosing glasses, pay attention to the center distance of the frame should not differ too much from the interpupillary distance - people with small interpupillary distance should not choose a wide shelf, otherwise it will not only look unsightly, but also uncomfortable to wear. In particular, people with high myopia should try to choose a frame with a small frame, otherwise the edges of the assembled spectacle lenses will appear thick.
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The selection of glasses is as follows:
1. Choose glasses for square faces, choose narrow round glasses frames, which can enlarge the glasses and set off the **whiter.
2. Choose a popular metal edge for the goose egg face, with a black pattern in the middle of the frame, and glasses with metal frames around it are more ideal. The goose egg face is generally very long, the chin is very pointed, choose the glasses frame, you can choose a larger glasses frame is more beautiful.
3. People with long faces, the face shape is particularly long, the most ideal glasses frame is a black glasses frame, visually the face shape will feel thinner, and the glasses frame with a gold wire frame is worn, but it gives people a feeling that the eyes are very dull and lifeless.
4. Friends with wide faces and double chins, choose glasses frames, narrow glasses frames, and glasses with particularly light frames. Don't wear glasses with large frames, as they will take up too much space on your face.
The geometric center distance of the frame is close to the interpupillary distance of the glasses
The geometric center distance of most frames is greater than the interpupillary distance of the human eye, so that in many cases the temporal border of the lens is significantly thicker than the nasal border, and the temporal border of the lens is the most easily observed by outsiders. The thickness of the lenses of myopia glasses is mainly reflected in the horizontal direction of the eyeglasses, so it is necessary to choose a spectacle frame with a geometric center distance close to the interpupillary distance.
The size of the eye relief:
People with myopia can observe whether their eyes are separated by the distance of one glass, if the distance between more than one eye is too wide, and vice versa, it is too narrow.
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1. First of all, every time you have to and must re-optometry before wearing glasses, this is not simply to test your myopia, but also to check out some teenagers are prone to glasses diseases, young people under the age of 16 are friends of the group, first to test whether it is true myopia or false nearsightedness, do not make it true, or then wear it for half a lifetime.
2. After the optometry, according to your interpupillary distance and face width, most of the frames may have been screened out, when the aesthetics conflict with the data, for the health of your glasses, you should choose the data that matches you. Of course, the comfort of holding the frame also needs to be considered, but this does not mean that the lighter the frame, the better, if your myopia is too high, do not choose too thin temples.
3. The final choice of lenses is the most important, the most important thing, lenses are generally divided into glass sheets, resin sheets and PC sheets according to the material, and the choice of aspherical resin sheets that are not deformed is the choice of the vast majority of myopic friends.
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Do you know the glasses fitting process?
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If you wear 650 600 glasses, your vision will still be blurry and you can't see clearly, so your eyes will have a hard time looking at things, causing eye fatigue, and your glasses will grow very quickly.
Therefore, when wearing glasses, you must be suitable for your own power, not too high, not too low, otherwise it will be bad for your eyes.
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It is best to wear 750 700 when you see far, if you wear a low degree when you see far, it is easy to fatigue your eyes when you can't see clearly, and it is easy to add depth, and you can wear 650 600 when you see close, so as to alleviate the over-adjustment of eye vision.
You don't have to worry, it won't progress to thousands of degrees, and you can avoid the deepening of myopia by developing good eye habits.
Study in an appropriate light environment, avoid direct or strong light when reading, do not get too close to the book, the correct reading distance is equal to the distance from the thumb to the elbow is about 30cm, sit at least 40cm away from the screen, when watching TV, at least 3 meters awayWhen reading, writing, watching TV, or playing computer games, remember to let your eyes have enough time to rest, every 45 minutes, please look into the distance for 5 minutes.
Getting involved in sports and outdoor activities can also be good for your eyesight.
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