Abstract: eye exercises mainly act on the local and distal points of the eyes, such as Jingming point, zanzhu point, Taiyang point, Sibai point, Fengchi point and Yuyao point. It is of great benefit to delay the development of myopia and alleviate visual fatigue. What are the causes of myopia caused by
? Myopia is no stranger to us. There are many such examples around us. Myopia is divided into true and false myopia! The main symptoms are visual impairment, and some may have exophthalmos or sunken eyeballs! It seriously affects the normal life of patients. Let’s take a look at the causes of myopia:
development factors: infants have hyperopia because their eyeballs are small, but with the increase of age, the ocular axis also gradually lengthens and develops normally until puberty. If overgrowth, myopia will be formed. This kind of myopia is called simple myopia, which mostly starts in school age. Generally less than 6. 00d。 Development stops around the age of 20. If it progresses quickly in childhood, it will progress faster at the age of 15 ~ 20, and then slow down. This kind of myopia is often higher than 6. 00D, up to 20d ~ 25d or 30d. This kind of myopia is called high myopia or progressive myopia or pathological myopia. Such myopia can occur and degenerate in old age, so vision can gradually decline, and vision can not be corrected with glasses. Very few have myopia at birth, but very few are congenital.
eye exercises: eye exercises mainly act on local and distal acupoints of eyes such as Jingming point, zanzhu point, Taiyang point, Sibai point, Fengchi point and Yuyao point, which is of great benefit to delay the development of myopia and alleviate visual fatigue. However, due to some problems in the promotion of eye exercises, its effect is not obvious. Specifically, first, students do not adhere well; The second-hand method is not accurate, which will affect the effect of eye exercises.
use eyes for too long: This is also a common cause of myopia. Watch TV for 3-4 consecutive hours without rest, or even go to bed late at night, which makes the eyes overburdened. The muscles inside and outside the eyes are in a state of tension for a long time without rest. Over time, they feel blurred in the distance and form myopia.
lighting light is too strong or too weak: if the light is too strong, such as sunlight, it will cause strong reflection and stimulate the eyes. If the light is too weak, the written lighting is insufficient, and the eyes can’t clearly see the font, the head will move forward and get close to the book. In both cases, the eyes are prone to fatigue, excessive adjustment or spasm of the eyes and form myopia.
lack of sleep: when sleep is insufficient, the next day is depressed, dizzy, the brain does not have enough rest, fatigue is not eliminated, increasing the burden on the eyes and promoting the occurrence of myopia. Lack of sleep is a very important cause of myopia.
are too close to the eyes: a large number of epidemiological studies show that the near visual load is the most important cause of myopia. Visual proximity load includes too close eye use and too long visual proximity time. There is dose gradient effect in the occurrence and development of close work and myopia.
scientific diet and balanced nutrition can help children prevent myopia.
pay attention to a balanced diet and no partial diet, which is beneficial to eye health. The intake of vitamin A or carotene can prevent dry and uncomfortable eyes, as well as night blindness and dry eye. Foods rich in vitamin A include animal liver, egg yolk, milk and dairy products, yellow green vegetables, melons and fruits, such as broccoli, papaya, carrot, mango, etc.
vitamin B group is an indispensable component of vision health care, among which vitamin B2, B6, niacin and B12 are the best. These can be taken from animal liver, dairy products, lean meat, green leafy vegetables, beans, wheat germ, brown rice or germ rice.
vitamin C can resist oxidation, prevent the retina from being damaged by ultraviolet rays, prevent lens aging, and protect the health of the eye. However, the human body cannot store vitamin C, so it must be taken from the daily diet. Dark green and yellow red vegetables and fruits, such as guava, tomato, kiwi fruit, strawberry and grapefruit, are rich in vitamin C.
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