20/20 Vision Review

 

What does it mean to have 20/20 vision?

People with 20/20 vision have normal vision. This does not mean that your vision is perfect, but you can see an object clearly at a distance of 20 feet – the same distance other people with normal vision can clearly see the object. 20/20 vision describes visual acuity, or the sharpness of vision at 20 feet from an object. Having 20/60 vision means that you must be at 20 feet to see what a person with normal vision can see at 60 feet. Though people with 20/20 vision can see clearly, this measurement does not include other important aspects of sight like peripheral vision, the ability to see colors or depth perception.

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