When a baby is born, it is actually farsighted. This kind of physiological hyperopia is a kind of "farsight reserve."
Newborn babies are usually farsighted. In the future growth and development process, not only the body will grow, but also the eyeball will grow, the axis of the eye will grow longer, and the degree of farsightedness will gradually become normal. This process is called the human eye. Chemical. But now many children have prematurely developed myopia, which is to consume the "farsight reserve" prematurely.
Nowadays, many children in kindergartens are already nearsighted. Some children, only three or four years old, have a high degree of examination.