The Origin of eyeglasses

 In the middle of the 13th century, Bacon, a British scholar, saw that many people could not read the text clearly because of poor eyesight. He wanted to invent a tool to help people improve their eyesight. He tried many things and tried many experiments, but none of them worked. One day after the rain, bacon came to the garden to take a walk, see the spider web stained with a lot of rain, he found that through the rain to see the leaves, the veins magnified a lot, even the thin hair on the leaves can be seen. He was delighted to see this phenomenon.

Bacon immediately ran home, rummaged, found a Mens Prescription Glasses ball. But through the Prescription Computer Glasses sphere, the words on the book are still blurred. He took a diamond and a hammer and cut a piece of glass. Holding the piece of Stylish Glasses For Men close to the book, he saw that the words had been enlarged. Bacon was overjoyed that the experiment was a success. Then he took a piece of wood and dug out a round hole. He put the Fashion Glasses For Men ball in the hole and put a handle on it so that people could read and write easily.