20/20 Vision
Congratulations, you’ve got 20/20 vision… so what does that mean exactly? 20/20 vision (sometimes called 6/6 vision when using Metric measurement) is the “standard” quality of vision seen by most people in the world. It is based off measurements taken from a Snellen Chart, which you’ll probably recognize: Scientists have figured out what the […]
When one pair just won't do! |