How much is child vision normal?

Children's vision in 0.02 to 1.0 is normal, specific and age-related.

Children are younger, eyes are not yet fully developed, vision is relatively low, such as children around one year old vision is generally 0.02 to 0.5. With the growth of age, the optic nerve gradually developed, two to three years old children, vision is generally 0.5 to 0.6; three to four years old children, vision will usually be 0.7 to 0.8; children over six years old vision tends to 1.0

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