What are the symptoms of presbyopia

summary

Now more and more old people have presbyopia, they need to wear glasses to adjust their eyesight, but this brings a lot of inconvenience to the old people, so once they find presbyopia symptoms, they should pay attention to adjust them. The following describes the symptoms of presbyopia.

What are the symptoms of presbyopia

The discomfort of presbyopia varies from person to person, because it is related to personal basic refractive state, eye habits, occupation and hobbies. For example, a close-up worker's subjective perception of presbyopia is much stronger than a traffic policeman whose main task is to watch distant vehicles and traffic lights.

Because of the decrease of accommodation, the patient has to work close to the limit of binocular accommodation, so it can not last long. At the same time, due to the linkage effect of regulating the set, excessive regulation will cause excessive set, which is also a factor of discomfort, so reading newspapers is easy to serial, writing in pairs, and finally unable to read. Some patients may even have eye swelling, tears, headache, eye itching and other symptoms of asthenopia.

Due to the lack of crystal adjustment, the proximal point gradually becomes far away, and the patient needs to spend a lot of effort to see things clearly. If this kind of effort exceeds the limit, it will cause the tension of ciliary body. When looking at distant objects, the tension of ciliary body can't be relaxed immediately, so it will form temporary myopia. When we look at the near objects, there is a short period of fuzziness, which is the performance of slow response. When the function of ciliary muscle is close to its functional limit and can't keep working, fatigue occurs.

matters needing attention

Although presbyopia will not endanger people's life and health, it is very inconvenient for people's life and work. Therefore, we must love and nourish our eyes when we are young, so as not to cause presbyopia in old age.