People wear glasses for several reasons. Some wear them to correct their vision, others to protect their sensitive eyes. There are even people who wear them just to look cool. And while all those reasons are legitimate, what do you actually know about glasses?
You might know that they help people see clearly, but what about the fact that wearable eyewear dates back to 13th-century Italy? Or that most people can't see anything with their peripheral vision when they're wearing glasses?
For more curious facts about eyewear, click through the following gallery.