Glasses first appeared in 1289 in Florence, Italy. It is said that they were invented by an optician named Amato and an Italian living in Pisa. Benjamin Franklin, an American inventor, suffers from myopia and hyperopia. 1784, he invented the near-far glasses. 1825, British astronomer George Avery invented glasses that can correct astigmatism. Some people think that China people invented glasses 2000 years ago. Glasses appeared in China in the middle of Ming Dynasty. In the second volume of "Stay in Youth Day" in the Wanli period of the Ming Dynasty, Heng wrote: "Every time you read an article, your eyes are tired and you don't know its details, so you can hide your eyes, keep your spirit, and write clearly. It was tied to the back of the head with silk, and no one knew, so I asked more questions. Yu Yu said, "That's right. "At this time, Babali is the original name.

There are not many images and physical materials of China's early glasses. In the Ming Dynasty painting "Du Nan Fan Hui Feng Guang" (depicting the life scenes of people in Nanjing during the Yongle period of the Ming Dynasty), there is an old man with glasses. Zhao Yi said in Qing Dynasty that glasses were introduced to China in Xuande period of Ming Dynasty. Glasses were popular in Jiaqing period of Qing Dynasty. Zhang said in Xu Du Men Zhu Zhi Ci: "Anyone who is nearsighted wears glasses, and the shades in the shop are distinct. It is wise to raise your eyes and be more tolerant and fight for it. " Li Guangting's "Xiang Yan Jieyi" in Qing Dynasty records that ancient glasses in China were divided into shades according to the twelve branches of Yin Mao.

Since the invention of 13 century lens, lens has been polished with crystal glass. In China, besides crystals, artificial crystals are also used. Later, glass lenses were used. 1937, France invented a plastic spectacle lens called acrylic. Although it is not easy to break, the clarity is poor. 1954, an engineer of Essilor Company in France was inspired by the materials used to make the cockpit of an airplane, and thus invented the resin lens. Since then, this kind of lens has become the supreme lens kingdom in the world, and it has been used ever since.