Is there a relationship between the onset of myopia and genetics?

The advantages of laser correction of myopia 1. Fast. Myopia can be corrected very quickly. After surgery, they are not afraid of trauma, they can live a normal life the next day, and their exercise is not restricted, which is especially suitable for military cadets or military personnel who want to participate in long-term high-intensity confrontation training after surgery.

2. Convenient. Visual acuity improved on the second day after surgery. When I took off my glasses, I found that the world became a brighter place.

Whether it's driving or other things in life, it's much easier to do than before. 3. Help. Over the years, joining the army, recruiting police, taking the civil service examination, and taking the college entrance examination physical examination, the failure rate of young people who have been recruited is as high as more than forty percent, and vision problems have become the hardest hit area of the physical examination project

Myopia is a very common eye disease, and the incidence rate is increasing year by year, which directly affects the healthy growth of the majority of adolescents. Some people are short-sighted, and so are their parents; Some parents are not short-sighted, but they wear myopic glasses. When choosing a spouse, some people are also worried about whether their lover is short-sighted and will affect their children.

This is the question of whether myopia is hereditary or not. According to the results of the investigation of eye diseases, the incidence of myopia in family members with a family history of myopia is higher than that of those without a family history of myopia, indicating that the incidence of myopia is related to heredity. However, the occurrence of myopia is affected by acquired environmental factors, so at present, scholars believe that myopia belongs to polygenic inheritance, that is, patients have multiple pathogenic genes, but there are environmental factors, which is a phenomenon that is easy to see in the occurrence of simple myopia.

Genetic factors play a large role in the occurrence and development of myopia. Some people have done a large number of family statistics, also known as family surveys, where both parents have myopia, the percentage of their children with myopia is significantly higher than that of other families. If one parent has myopia, the myopia rate of children is in the middle.

Children whose parents do not have myopia have the lowest incidence rate. In addition, the incidence of myopia in yellow people is the highest in the world, and the incidence of myopia in Southeast Asia, including China, is more than 40%, and the white race is medium, while the black and Eskimo people have very little myopia, which shows the genetic role of the species. Chinese experts have conducted twin surveys, twins suffer from myopia at the same time or do not suffer from myopia at the same time, that is, the consistency rate, the results show that the twin agreement rate (myopia) is higher than that of non-twins.

Among twins, the myopia concordance rate of identical twins is higher than that of fraternal twins, which also indicates that myopia is a hereditary disease. Experts also calculated through the formula that genetic factors account for the opposite in the cause of myopia, myopia is not completely determined by heredity, parents have myopia is not all children have myopia, there are myopia genetic factors, the factor is not manifested or called not explicit, then myopia does not occur. There are some congenital myopia, and they tend to have a higher degree, but fortunately only a very small number of myopia eyes.

This type of myopia has a family history and is genetically determined.

Myopia is related to genetic factors, but if parents are nearsighted, children are not necessarily nearsighted. With proper protection and eye care, children can avoid myopia.

High myopia is an autosomal recessive disease, that is, a pair of genes related to myopia are the causative genes of the disease. If only one of the genes is disease-causing and the other gene is normal, it is not disease-causing and is only a carrier of the disease-causing gene. For example, neither of the parents is myopic, but they are both carriers of high myopia genes, and they do not show myopia, but their pathogenic genes are passed on to their children, so that the children have two myopia genes, so that the children become myopia.

Men with high myopia and women with high myopia (600 degrees or more) have a 90% or higher chance of developing the disease in their children. If combined with a myopic gene carrier, half of the children may have high myopia, and if combined with normal vision or moderate to low myopia, the chance of the child developing myopia is 1 10.

Myopia will be inherited when it reaches 600 degrees, and it will generally be inherited every other generation, and the probability of passing it on to girls will be greater. Playing table tennis more in your free time can improve your eyesight, and in order to better protect your eyes, eat less sweet and sour.

For children, if one parent has a high degree of myopia, the child is more likely to develop myopia. Let's see if your child is prone to myopia!