Strange glasses

Eyeglasses are a technological marvel. Chances are, many of you are reading this through glasses or contact lenses. But we didn’t invent these devices overnight, and there were some pretty weird versions along the way. See for yourself. For all you people with perfect 20/20 vision, you’re lucky, because wearing glasses isn’t fun, and for those of us who do… well, the everyday problems accumulating masses of jokes about glasses is just too real.