Common myopia myopia, also known simply refers to 600 degrees below the low to moderate myopia, a very common childhood disease can be more and can be corrected to normal. The main symptoms are decreased distance vision, near vision is still normal. Its occurrence and genetic factors and environmental factors have the relationship, the general opinion of polygenic inheritance. The occurrence of simple myopia and lighting poor, poor reading and living habits, etc. There is a clear relationship between environmental factors. However, under the same conditions, not all those who have undergone short-sighted, so Bin occurred role of genetic and environmental factors results. Simple myopia control, should pay attention to eye health, can be used glasses or contact lenses to correct vision.
Also known as progressive myopia and high myopia, myopia refers to more than 600 degrees, accompanied by marked retinal degeneration. With age, progressive myopia has also deepened, and after wearing glasses makes it difficult for vision correction to normal, or even a serious visual impairment. If both spouses are a high degree of myopia and the incidence of their children often. As one of the parents as high myopia, the other normal children, 10% -15% of their disease. If a party is a high degree of myopia, the other for myopia gene carriers, their children, the incidence of high myopia is approximately 50%. If the two sides are myopia gene carriers, but with normal vision, then the children, the incidence of high myopia is 25%.
Therefore, to prevent the occurrence of myopia should pay attention to the following two points:
1) To pay attention with eye health, to reduce the environmental factors in the pathogenesis of myopia.
2) In the case of high myopia who are looking for love, the object should be to avoid "fell in love with the sick" in order to ensure that the next generation's health.