Big eyes, high nose bridge, double eyelids... In children, we can always find the shadow of our parents. But in addition to looks, some diseases are also passed on to the next generation, such as myopia.
Many children are not very old, but they wear glasses early. In addition to the relationship between peacetime habits and conventions, genetic factors also have a certain influence.
Although not absolute, myopia can be inherited
Although not myopic parents necessarily give birth to myopic children, genetic factors can not be ignored in the process of myopia occurrence and development.
Most children are born with high hyperopia, and in the process of growing up, the eyeball develops, the eye axis becomes longer, the hyperopia gradually disappears, and finally normal vision is achieved. This process is called face-to-face.
After some children face it, the eye axis continues to lengthen, and myopia occurs. This situation is not only affected by the acquired eye habits, eye diseases, but also related to the genetics of parents.
In general, children who do not have parents with myopia will have lower myopia rates than children with myopia in one parent or both parents who are nearsighted. Yellow people have a higher rate of myopia than whites and blacks.
High myopia, higher heritability
Myopia can be divided into:
Mild myopia at 0-300 degrees;
Moderate myopia of 325-600 degrees;
High myopia above 600 degrees;
Ultra-high myopia above 1000 degrees.
The higher the degree of myopia of the parents, the higher the probability of inheritance, especially if both parents are highly myopic, the higher the likelihood of the child's future myopia.
Therefore, for the sake of their future babies, we must also protect our eyes.
Myopia in the eyes of many people, may just be poor vision, to wear glasses. Especially at present, the myopia rate is so high, some friends do not feel that it is a disease. But in fact, the impact of myopia on our eyes can be large or small.
When the degree of myopia is low, the more obvious impact on us is that we can't see the distance clearly, and some friends with strong adjustment ability or people who do not have high requirements for visual quality in work and life do not even need to wear glasses.
As myopia develops into a high degree of myopia, our eyeballs will grow longer and longer, like a bulging balloon, becoming thin and fragile. The possibility of fundus lesions is higher, and violent impact and shaking may lead to retinal tears and retinal detachment under the fundus.
In addition, some friends with high myopia degree, the correction effect of vision may not be as good as friends with low myopia degree, and the dependence on glasses is higher, which can be said to be inseparable from glasses.
What can a child do as a parent before and after myopia?
In order to protect children's vision and avoid high myopia, as parents, what can we do in our daily lives?
1.
Check regularly
Myopia has always been better than cure, after the child is 3 years old, it is recommended that parents take their children to a professional optometry institution for medical refraction every six months, establish visual health files, and track the child's vision development. If there is myopia, early detection and early correction.
2.
Develop good eye habits
In daily life, guide and urge children to develop good eye habits. Control the time spent with your eyes at close range, follow the "20-20-20" mantra, and after learning and using electronic products for 20 minutes, look up at 20 feet (6 meters away) for at least 20 seconds or more.