History For Glasses ,and How To Find The Reliable Eyewear Supplier?
The ancient glasses unearthed in the world are from more than 1800 years ago. From the appearance, the lenses are mostly made of natural crystal and transparent agate, which has experienced five stages of development: original legend, single piece lens single handle, double piece without temple, double piece single temple and double piece bent temple.In the Southern Song and Yuan dynasties, the frames of glasses became especially exquisite, with materials such as copper, horn, ivory, and even tortoiseshell frames.Even the case is made of snakeskin.
In 1270, Marco Polo went to China to record the local customs, economy, science and technology of China, and at the same time brought back to the West how to make and use glasses.Thus, in the Western world, eyeglasses are generally believed to have been invented between 1268 and 1289, when they were worn mainly by monks and scholars.
By 1452, with the popularity of eyeglasses in the West, favored by the middle and upper classes, more elegant and exquisite glasses with gold and silver frames appeared.Between 1500 and 1899, the first significant advance in the design of glasses with frames took place in the 17th century.Fixed frames instead of riveted lenses allow glasses to rest smoothly on the nose.Benjamin Franklin, American inventor Franklin, who suffered from nearsightedness and farsightedness, invented bifocals in 1784;In 1825, British astronomer George Alley invented glasses to correct astigmatism.
Glasses culture fully reflects the cultural characteristics of a country and a nation, such as ideology, morality, values, beliefs, customs and habits, and develops with the development of culture in various historical times.It is a combination of material and art, embodied in a tangible way.On the one hand, it reflects the progress of social civilization, as well as the identity, social status, ideology, interests and hobbies of the wearer.