How is eye astigmatism to return a responsibility?

summary

I believe many people know that astigmatism is the most common symptom in ophthalmic diseases. Many people because of incorrect eye habits lead to myopia, often accompanied by a certain astigmatism symptoms, after the emergence of astigmatism, in the treatment of the cause of astigmatism is the need for a verification and investigation to be able to symptomatic treatment. In addition to the congenital reasons, what are the causes of astigmatism in the eyes of the elderly? Let's take a look at the following

How is eye astigmatism to return a responsibility?

The first is that the incidence rate of astigmatism is very high. It is a kind of refractive error of the eye. The main cause is related to the radian of the cornea. Some people's cornea is curved in one angle area, while others are flat. The reason for astigmatism is that the uneven thickness of the cornea or the uneven curvature of the cornea make the light passing through these meridians can not focus at the same focus.

Second: there is also regular astigmatism, which is mostly caused by congenital abnormal changes of cornea. Some patients may also have lens astigmatism. Some of the acquired astigmatism may be due to long-term bad posture (such as often squinting, rubbing eyes, lying reading, etc.), so the eyelid pressure on the cornea may also change the corneal curvature, astigmatism and increase the degree of astigmatism.

Third: there are some elderly astigmatism may be due to surgery, of course, it also has something to do with the age of the patients. Many elderly people's body function is slowly degenerating after they are old, and astigmatism may also appear. In fact, there is a certain relationship between the emergence of senile astigmatism and tired eyes, and some eye diseases caused by some hygiene problems may also cause eye conditions after infection, leading to the emergence of astigmatism.

matters needing attention

Through the introduction of experts, I believe it is not difficult for us to find that the occurrence of astigmatism has a lot to do with the bad living habits of patients, so if we want to stay away from the trouble of this disease, we must learn to use our eyes correctly and reasonably, and only in this way can we resist the invasion of the disease