We all know that glasses are needed for myopia. But for individuals, there are many ideas. Some people listen to others say that the nearsighted people wear glasses more deeply, so they would rather let them be nearsighted than wear glasses and glasses. In fact, this is not right.
Why must myopia wear glasses? What kind of myopia does not need to wear glasses?
Because the eyes are short-sighted, when they can't see clearly, they will force the eyes to adjust more, the intraocular pressure will rise, and the extraocular muscles will contract. If it goes on for a long time, the axial length of the eye will become longer and the myopia will be deepened. At the same time, do not wear glasses to read and write, is bound to be very close to the book, desktop, more likely to deepen myopia. So, it's better to wear glasses.
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So which myopia should be equipped with glasses? According to expert research, pseudomyopia does not match in principle, true myopia should be equipped with glasses, and the degree of mixed glasses should not exceed the degree of true myopia. Myopia below 100 degrees may not wear glasses temporarily; those above 100 degrees should wear glasses no matter how far or near they look. If they do not wear glasses, the closer the eyes are to the target when writing or reading, it is easy to deepen myopia.
Middle and high myopia should be worn frequently. Children under 10 years old should wear glasses if their myopia or hyperopia differ greatly. Some experts have also proposed that in order to reduce the load of ciliary muscles when teenagers look at near objects, they can use myopia glasses when looking far, and do not wear glasses when looking at near objects.
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