What does it mean to have 20/20 vision?

maisieEyesight, Laser Eye Surgery

looking through glasses at a magazine

The year is 2020, there are vision related puns and memes all over the internet. But what does it mean to have 20/20 vision? People use the term 20/20 vision a lot, and they tend to think it means “perfect vision”, but it actually means “normal visual acuity”. Visual acuity is the clarity or sharpness of vision when measured on … Read More