The vision of a six year old child should be around 0.8 or even higher under normal circumstances, but usually not lower than 0.6. Children’s vision takes time to develop, and can gradually improve with age, but there are differences in the development of vision in different individuals. Generally speaking, the vision of a six year old child can reach 0.8, or even 1.0, but some children’s vision develops slowly, and the overall vision will not be lower than 0.6. If a six-year-old child’s vision is seriously lower than that of his peers, there is generally a reason for vision loss, commonly due to refractive errors, such as myopia, astigmatism, etc., usually need to wear glasses; also seen in a variety of diseases, such as fundus lesions, glaucoma and other conditions develop into amblyopia, which should be treated at the earliest possible time. If a six-year-old child experiences significant vision loss, he or she should seek prompt medical attention and follow the doctor’s instructions for treatment or correction.