What is astigmatism?

summary

There is no lack of astigmatism around us. Astigmatism is no stranger to many friends. In order to avoid this, female friends must take precautions. Myopic friends usually have astigmatism. So what about astigmatism? What about it? Let's take a look at it.

What is astigmatism?

First, the main cause of astigmatism is corneal thickness or curvature unevenness caused by ametropia, mainly for the decline of vision, visual fatigue, headache, dizziness after a period of time, serious can also lead to nausea, vomiting, ghosting and other symptoms. Astigmatism and myopia are similar, patients will often narrow their eyes, in order to be able to see the object clearly. For astigmatism, timely treatment and good prevention and health care are the key.

Second: the treatment of eye astigmatism is related to the degree of visual fatigue and the quality of vision. If it is only regular astigmatism, and there is no visual fatigue and visual impairment, it is relatively light. There is no need for treatment, and good prevention and health care can be done.

Third: most astigmatism patients belong to irregular astigmatism or mixed astigmatism. At this time, they need to be corrected with film contact lens in time to reduce the aggravation of symptoms. Children under 5 years old will use 1% atropine eye drops or eye ointment for optometry, and they must use it continuously for three days. Teenagers usually use tropicamide eye drops for optometry. If they are over 18 years old with high astigmatism, surgery can be considered.

matters needing attention

1. Reading posture should be correct. Many children's myopia and astigmatism are mainly caused by improper use of eyes in reading, so the reading time line should be sufficient, the reading sitting posture should be correct, don't read in bed, and try to avoid reading when taking the bus, and the distance between eyes and books should be kept at about 30 ~ 40 cm. In addition to reading, watching TV should also pay special attention, the height of the TV should be a little lower than the eye parallel line. 2. Eye nutrition balance. Usually you can eat more blueberry, wolfberry and other eye food, timely eye nutrition. 3. Avoid using eyes for a long time. Try to keep your eye use time at 30 minutes, and you should rest for 5 minutes. When you rest, it's like looking at the green plants in the distance. You can also go to the countryside to relax your eyes.