What does 20/20 vision indicate?
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A person with 20/20 vision can see what an average individual can see on an eye chart when they are standing 20 feet away.
20/20 vision is not perfect vision. A person can have 20/15 vision, which is sharper than average. If you have 20/15 vision, you can see a line in the eye chart at 20 feet that the average person can only see when they are 15 feet away. The goal of glasses or contacts is to bring a person’s vision to 20/20.
20/20 vision indicates that a person can see at a distance of 20 feet what a person with normal vision can see at the same distance. It is considered standard vision and does not necessarily mean perfect vision, as it only measures visual acuity. People with 20/20 vision may still have issues with depth perception, color vision, or other visual skills.