Introduction to children's nearsightedness, not only an incentive for electronic devices
We know. Strong light (bathroom, flash, sunlight), bright sleep, TV (tablet, mobile phone), constant sleeping position, eye hygiene, etc. can cause children's vision problems. Vision development in childhood is immature. In addition to avoiding these sight-threatening people that are common in everyday life. Those unknown sight killers. Parents are also not to be underestimated.
Killer 1: Noise
We all think. Noise can affect hearing and psychology. But never expected. Noise can also affect vision. In particular, it is even more harmful to children who are still in the stage of eye development.
Supplementary knowledge:
Tests show that: when the noise intensity reaches 90 decibels. Decreased sensitivity of human visual cells. Recognition of low light response time is prolonged; when the noise reaches 95 decibels. 40% of people have dilated pupils. blurred vision; and when the noise reaches 115 decibels. The adaptation of most people's eyeballs to light brightness is weakened to varying degrees. at the same time. Noise can also cause abnormal color vision and visual field. The survey found that noise reduced the field of view for red, blue and white by 80%.
According to determination. The noise produced by TV sets and tape recorders can reach 60-80 decibels. The washing machine is 40-70 decibels. Refrigerator is 34-50 decibels. Loud speech can also reach 60 decibels.
Combat tricks:
while watching TV. Try to keep the volume as low as possible; when doing laundry. Keep bathroom doors closed; when choosing new appliances. Besides being beautiful and practical. Also use noise as a criterion; when the kitchen is not in use. Doors are closed; when family members meet to talk. Try to be as soft as possible.
Killer II: Sweets
Most children like sweets. Ice cream, chocolate, cake, candy. Very attractive to children. Our biggest worry is. Sweets can cause tooth decay. But I don't know. This is also one of the main culprits that lead to children's vision loss.
knowledge supplement:
There are many causes of myopia. The imbalance of trace elements is also one of the causes of myopia. Excessive consumption of foods high in sugar. It will lead to a decrease in the content of the trace element chromium in the body. Lack of chromium. The tissue elasticity of the fundus is reduced. The eye axis is elongated.
According to the determination of foreign experts. The sugar in sweets needs a lot of vitamin B1 when it is metabolized in the human body. If there is too much sugar intake in the body, vitamin B1 will be relatively insufficient. Thus affecting the normal supply of vitamin B1 required for optic nerve development. Bury the hidden danger of myopia.
Combat tricks:
The secret to making the windows of your child's mind clear and bright. In addition to touching sweets. Supplement with foods rich in vitamin B1. Such as dairy products, animal liver and kidney, egg yolk, carrots, mushrooms, seaweed, celery, oranges, oranges and other vitamin B1 content are very rich.
Killer 3: Learning the piano too early
Parents have a wide range of interests for their children. It is exhausting. Learning the piano has almost become a standard for children's interest classes. Some even send their children to interest classes from the age of 4. Not to mention the disadvantages of learning the piano early. did not expect. This has also become one of the killers of children's eyesight.
Supplementary knowledge:
When learning the piano. Children have to learn notation to read notation again. Also pay attention to the fingering and rhythm. Play the piano while looking at the sheet music. Just sit for at least an hour. Sheet music is small. Also close to the eyes. Also look down at the keyboard from time to time. Switch frequently. Constantly adjust the eye ciliary muscle to focus. It is easy to cause visual fatigue in children. besides. Practice writing and drawing for a long time. It's like practicing the piano. It can also cause visual fatigue in children.
Combat tricks:
No piano lessons under the age of 5; copy the sheet music and enlarge it on matte paper. Light yellow or light green can be used; put a non-flickering eye light on the piano for the child; every 45 minutes of practice, take a ten-minute break. Cooperate with eye exercises or look into the distance and close your eyes; take children to do more outdoor sports.
Killer No. 4: Psychological Factors
The psychological factors here refer to tension and depression. Children grow up in a discordant family environment. Not only will it affect the child's character and self-confidence. It can also affect vision.
Supplementary knowledge:
American ophthalmologist found. Husband and wife discord. The relationship between parents and children is tense. Parents abuse their children, etc. cause visual impairment in children. This is mostly seen in preschool children. and are often ignored.
Combat tricks:
Don't think children are small. Don't know anything. They are the most observant diplomats. Parents should try their best to restrain their emotions in front of their children. Don't make the child feel uncomfortable; interact with the child more. Take care of your child's mental health. Overcome bad attitudes. Keep your child in a positive mood.
