A child’s naked eye visual acuity of 1.0 is normal vision and is not the basis for assessing whether a child has hyperopia. Generally normal children will have a reserve of hyperopia, usually children at the age of 3 years old farsightedness in about 290 degrees, 4 years old in about 275 degrees, 5 years old in about 250 degrees, while the age of 6 years old in about 225 degrees, 7 years old in about 200 degrees, 8 years old in about 160 degrees, but can not be based on the child’s visual acuity to speculate on the child’s farsightedness and hyperopia, the child can be through the optometry However, the presence or absence of hyperopia and the degree of hyperopia cannot be inferred from a child’s vision. If a child’s reserve of hyperopia decreases, it means that he or she is prone to myopia as he or she grows older. In order to avoid myopia, it is good for children to look at faraway places and green plants, do eye exercises at the right time, sit properly, do not read or write in dim light, look at fewer electronic products, and eat more fresh fruits and vegetables to protect their eyesight. It is recommended that children with visual abnormalities should seek prompt medical attention to assess their condition and follow the doctor’s instructions for treatment.