What Did People Do Before Eyeglasses?

Somewhere in the vicinity of Pisa, Italy, around 1286, an unknown craftsman fastened two glass lenses to a frame likely made of wood or bone to create the first eyeglasses. With approximately two out of three adults in the United States today requiring some form of visual aid, it's safe to say that invention has been well received. But even though 1286 is well before any of us first discovered the splendor of improved eyesight, it's relatively recent in the larger picture of human existence. So how did people with subpar vision get by before ...Read More