20/20 Vision: What Is Visual Acuity, How It's Tested, and …
https://www.webmd.com/eye-health/what-is-acuity-of-vision
It's normal to not have 20/20 vision. Only about 35% of adults have 20/20 vision without using corrective lenses or surgery. If your visual acuity isn't 20/20, you may need contact lenses, eyeglasses, or surgery. There may also be an underlying eye condition that requires treatment. Your doctor or optometrist can … See more
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