No: 20/10 is considered good vision. 20/20 normal. 20/40 a bit worse than normal.
Answered 8/17/2018
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Depends: This depends on how you value good vision. It is a point where you can often still pass a drivers vision test at the DMV, but the joy of HD vision is lost. Glasses can often improve someone to better than 20/20. The question is somewhat of a personal choice.
Answered 8/17/2018
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