According to WHO statistics, the incidence of myopia ranked first in all diseases. China, the number of people wearing glasses more than 300 million, the incidence of myopia in the world second. At present the incidence of myopia, in Chinese students,is nearly 60%, ranking second in the world and the number of ranks in the world.
Myopia has become the first disease in adolescent.
Prevention: Eat less sweets but more tea .
Human body requires a lot of vitamin B1 in the metabolism of the sugar of Cold sweets, and the result is to make lower levels of calcium.While calcium is a "protector" of the eyes' tissues . Lack of calcium will not only result in decreased elasticity of the eyes' retina, the pressure of lens increased , but also may make the muscle of cornea, ciliary degeneration , so that the eye walls' stretch weakened, fueling progression of myopia. Excessive consumption of sweets will trigger obesity, diabetes and other health problems, parents can choose xylitol and other new sweetener production of food for their children .