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150 degrees or so.
It also depends on whether you have a flash or not.
I used to have about that reading.
If the head is large, it should be equipped with a larger frame.
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Go to the optical store, go to the big optical store, preferably a branded head office, where everything is taken care of, and everything will be done for you, but it will take money.
Also, the lighter the frame, the better.
Try to match the power as small as possible, otherwise you will not get used to it.
Choose a little better, but don't be the best, don't need to be that good, hehe.
Now the style is different from before, don't choose the shelf that was so popular before, I don't know what the new style is called, after all, I don't sell glasses, I just wear glasses for many years, hehe. Hope it works for you.
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Glasses should not be worn blindly, and glasses can only be dispensed after formal refraction. One might say that a pair of glasses is nothing more than two lenses and a pair of frames. How much can you ask?
In fact, don't underestimate the pair of glasses in front of you. A pair of high-quality glasses requires a systematic technical process and service process. If you wear a pair of glasses that don't fit properly, the damage to your eyes is very great.
Secondly, there is also a university question about choosing a frame. In the past, it was too focused on style and face size; According to your own preferences, color, shape, skin tone, temperament, and even the matching of clothing, strive to be beautiful and generous. I don't know that the choice of spectacle frames should be based on scientific principles, and the right frames should be for the purpose of correcting vision.
On the premise of not compromising the quality of glasses assembly, you can choose beautiful and comfortable frames. If you choose it badly, it will affect the wearing effect. The width of the spectacle frame should not exceed the width of the forehead too much.
If you exceed too much, it will reflect light from the edge of the lens, causing an uncomfortable feeling such as glare and dizziness.
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Be sure to go to a professional optician store to get it, don't guess by yourself. With a wide chin and larger, square-rimmed glasses, it can look generous.
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You have to have scientific optometry to do it, and you can't blind your eyes.
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The prescription of the glasses is determined according to the results of refraction.
Glasses are divided into optometry, lens selection, frame selection, polishing, and assembly. Optometry is best done in the morning to facilitate refraction accuracy.
Steps: Optometry, frame selection, lens selection; Lens processing and assembly.
Optometry: It is recommended to do optometry in the morning, because after the rest of the night, the eyes are used less in the morning, so as to ensure accuracy and avoid eye fatigue.
Lenses: The material is mainly glass and resin. The main feature of glass material is high light transmittance, which makes it feel clearer and brighter when used. The main characteristics of resin materials are light and not easy to break.
Frame: The material is mainly TR, plate, metal and titanium. Plastic products are light in weight and not easy to cause allergic symptoms; There are many colors of the plates, and the collocation is fashionable; Metal products have the characteristics of being strong, durable, and not easy to deform; The titanium frame is vacuum plated and lightweight.
Lens processing: Use equipment such as a grinding machine to correct the shape of the lens to make it fit the inner basket of the frame.
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It is recommended to wear glasses with the same power as the eye, and it is also important to pay attention to eye hygiene in daily life and not let the vision continue to deteriorate.
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It is usually due to lack of sleep, unreasonable use of eyes, and lack of outdoor exercise that leads to the elongation of the eye axis, which leads to myopia. It is recommended to try to make the corrected vision of both eyes can be achieved separately, and the glasses are comfortable, if you wear 375 degree glasses comfortably, there will be no dizziness, nausea, visual distortion, etc., then you can choose this degree. And it's best to wear glasses in addition to sleeping, pay attention to rest, use your eyes reasonably, control the use of mobile phones and computers, and prevent eye fatigue.
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Hello, it is better to choose a prescription that just matches the eyes, and it is recommended to choose a regular optical store for fitting.
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Spectacles are pre-refractional, and the hearing care professional will give a recommendation based on your results.
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Generally, in optical stores, only the power and interpupillary distance are required, and other treatments are required if there is astigmatism; As many degrees of myopia as you have, you can wear as many lenses as you want, so why reduce the power of the lenses? The function of glasses is to help the eyeball adjust its vision, and see things clearly with the help of glasses. Blindly lowering the power of the lens sometimes not only does not help you see clearly, but on the contrary, it may increase the power.
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Hello, before the online glasses, you must first have an accurate optometry sheet, the data of the optometry sheet includes: the myopia and farsightedness of the left and right eyes of the optician; and interpupillary distance between the eyes; If there is astigmatism, you also need to provide the astigmatism degree and the axis position of the astigmatism! You don't need anything else!!
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If you have mild myopia, you should get the right glasses** to avoid eye symptoms. Need to wear glasses, mainly to see whether it causes eye fatigue, whether there is blurred vision, excessive adjustment of the eye, if there is glasses, you should wear glasses, especially teenagers, to avoid further increase in power due to not wearing glasses, further decline in vision. Under normal circumstances, elementary school students need to wear glasses to correct their eyes if they are about 100 degrees of myopia.
However, since everyone's eye condition is different, sometimes it is not possible to judge whether a child needs to wear glasses based solely on the degree of myopia.
Myopia is a common eye disease, and most of them are related to factors such as genetics, trauma, incorrect eye posture, staying up late, etc. Patients with myopia in elementary school students should go to a professional medical institution for an eye examination to determine the power of the eye before deciding whether to wear glasses**.
Patients with myopia in primary school students must change their bad eye habits and do not often overuse their eyes. Myopia is divided into three types according to the severity of myopia: below 300 degrees is called mild myopia, 300 to 600 degrees is moderate myopia, and above 600 degrees is high myopia.
If the degree of myopia is more than 50 degrees, you need to wear glasses.
If you are a teenager or child with mild myopia, because you usually use more eyes, the ciliary muscle function is unstable, so it is recommended that you should wear glasses whether you are looking far or near. If you are moderately myopia, you should wear glasses regularly. For patients with high myopia, with or without astigmatism, glasses should be worn for a long time.
For adult myopia, if it is below 200 degrees, you can work at close range without glasses, and you still need to wear glasses when you see far.
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Both manual and exponential are signs of extremely poor vision. Manual is to see only the hand shaking in front of your eyes. Exponential 1 meter refers to the number of fingers that can be distinguished at a distance of 1 meter.
If there is only manual vision, then the eye's vision is very poor, and it is necessary to pay attention to it and intervene in time.
The most commonly used interventions are:
1. The eyes should not be overworked to maintain sufficient sleep, and it is best to wear glasses and do corrective treatment to prevent further deterioration.
2. Insist on doing eye exercises and massaging relevant acupuncture points every day, which can relieve eye fatigue.
3. When looking at the computer, often blink actively, because people's eyes will not blink automatically in front of the computer screen, resulting in dry eyes.
4. Take a 10-minute break every time you use the computer or work in close proximity for 1 hour to relieve visual fatigue.
5. Rest more, sleep also has an impact.
Those under the age of age should take medication in time. It is recommended to take two packets of Joy Vision Nutrients a day, and insist on taking it for a period of time, and the eye power will be gradually controlled.
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There is no unified standard for how many degrees of myopia need glasses, and everyone's situation is different. Generally speaking, when the degree of myopia is particularly small (<200 degrees) and the clarity of seeing near is not affected, you can consider wearing glasses when looking at the distance and not wearing them when looking at the near place. If you have deep myopia or have astigmatism, you need to wear glasses all the time.
In general, an increase in the average power of 300 degrees corresponds to an increase in axial length of 1 mm. Therefore, people with high myopia, especially those with more than 1000 degrees, will have a much longer eye axis than the average person, and may manifest as proptosis, but this has nothing to do with glasses.
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With the "*" behavior, the right eye is 75 degrees myopia and 50 degrees myopia astigmatism - axis 175°. This is a computerized optometry sheet, which may not reflect the real condition of the eye, and can only be used as a reference. It is also necessary to use the following together for detection.
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How much vision is considered myopia.
Usually the visual acuity of or is normal vision, higher than these two standards are good vision, and the degree of myopia does not refer to lower than these two standards, but below are myopic eyes, the visual acuity in the eye chart corresponds to 150 degrees, which can be converted to myopia with a degree of 150 degrees to be considered myopia, however, this number is not absolute, and many factors will affect. And when the degree is above 300 degrees, it is really true myopia.
Many children and adolescents have the possibility of pseudomyopia, so it cannot be said that when they look down on distant targets, they must be myopia, and they need to have their vision tested, including dilated refraction. Younger children have a stronger ability to adjust, so they are more likely to have pseudomyopia.
For many children and adolescents, their ability to adjust is strong, and the eyes are also in a state of development, and it is very possible for the new myopia to return to normal vision. If they cannot recover after taking certain methods or measures, they need to be prescribed glasses for correction.
2. How many degrees of myopia should be equipped with glasses.
Myopia requires glasses, everyone knows this. But when it comes to individuals, there are also a lot of ideas. Some people have heard others say that the more they wear glasses, the deeper they will be, so they would rather let them be myopic than wear glasses or glasses.
Actually, this is not true. Because the eye is short-sighted, when it is not clear, it will force the eye to increase adjustment, the intraocular pressure rises, and the extraocular muscles contract, which can lead to the elongation of the eye axis and the deepening of myopia in the long run. At the same time, if you don't wear glasses to read and write, you are bound to be very close to books and desktops, and it is easier to deepen myopia.
Therefore, it is better to wear glasses.
Glasses to optometry, if conditions permitted, optometry should first go to the hospital for optometry, go to the optical store must go to a professional famous optical store, relative to optometry is more professional, you said Renault I have not heard of, if it is a chain should be good, the general glasses are discounted, there are few glasses that are not discounted, now the glasses are more expensive, generally more than two hundred, almost the Spring Festival, there are generally **, to you in the low power with an affordable lens can be, glasses generally not stop the degree of money.
Hello: It may be a problem with the power of refraction, or it may be the wrong lens, and then the new glasses need a certain adaptation period, because the light transmittance of the new film is relatively high, and the eyes need an adaptation process from not seeing clearly to seeing very clearly.
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