Universal reading glasses are not universal Recently popular a multi-functional reading glasses known as a collection of

Universal reading glasses are not universal Recently popular a multi-functional reading glasses known as a collection of presbyopia, myopia, farsightedness, astigmatism in one, the advantage of this reading glasses is that "" a pair of glasses to read, go shopping, do housework, and speculate on stocks without changing the eyes are not sour or swollen, and the more you wear them, the more comfortable they are.

"Although these glasses have such superior performance, they are not a "one-size-fits-all". Reading glasses that are so convenient for the wearer group are not suitable for everyone. First of all, for those who have a lot of myopia, multifocal reading glasses are not suitable, and these glasses are only suitable for those who don't have a lot of myopia in the early stages of the eyes, such as people in their 40s or 50s.

In addition, it is not suitable for people with refractive error, if the difference between the power of the two eyes is more than 200 degrees, such as one is 50 degrees and the other is 300 degrees, then this power determines that he is not suitable for wearing multifocal reading glasses. For the type of work, people who work at height, librarians, etc., are also not suitable for wearing such glasses.

To avoid accidents due to improper adjustment. Adapting to "not omnipotent" and "omnipotent" glasses are not as they say, the more you wear them, the more comfortable they are. Because these glasses put forward a lot of requirements for people's adaptability, because not everyone is eligible to wear them, and the people who have been "screened" also need a lot of adaptability.

Because this kind of reading glasses is multifocal, from near to far, and then to near places, it requires constant adaptation and change of the eyes, that is, for those who have cervical spondylosis and are prone to vertigo, their own adjustment ability is relatively weak, and they may not be able to adapt to such changes. It is not as advertised, the more you wear it, the more comfortable it is, once it is not suitable, it is likely to aggravate the dizziness and dizziness reaction, but you can't adapt to it.

What do I need to do to prepare for wearing multifocal glasses? Glasses are not simply this kind of multifocal reading glasses, all glasses before wearing, the preparation work should not be sloppy, and it is not just a matter for children to buy one for their parents. In particular, reading glasses have high requirements for the vision of the elderly, and once they are not suitable, they are easy to aggravate the uncomfortable feeling, and the elderly need to go for an examination in person.

Generally speaking, to wear multifocal glasses, you need to understand the refraction, eye position, physical condition, and previous fitness for the glasses. First of all, you need to do a diopter test, and you must know your diopter. This includes the far-used diopter and the near-use diopter obtained by adding the amplitude.

In addition, it is also necessary to know the eye position, your physical condition, whether there is dizziness, high blood pressure, motion sickness, etc. Later, and more importantly, is the individual's degree of adaptation to glasses, such as whether patients who have worn ordinary reading glasses before can adapt and whether they feel uncomfortable.