What is normal vision? 5.0?

Under normal circumstances, vision 5.0 is a normal standard vision in the visual acuity chart.

In the process of human growth and development, vision is constantly improving with age. At birth, it usually belongs to hyperopia. With the development of the eye axis, it can be gradually improved at any time. Usually after 6 years of age, vision will be improved to about 5.0, close to the normal vision of adults. If there is no refractive change, it will always be maintained

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