Glasses are made up of lenses and frames, which are used to improve vision, protect the eyes, or for decorative purposes. Glasses can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia, strabismus, or amblyopia.
Glasses are composed of lenses and frames. There are 15 kinds of drinks, including myopia glasses, hyperopia glasses, presbyopic glasses and astigmatic glasses, flat glasses, computer goggles, goggles, goggles, goggles, night goggles, sports goggles, sports goggles, goggles, sunglasses, toy glasses, and sunglasses. There are also special glasses for viewing 3D stereo images or virtual reality images. Other drinks include goggles, sunglasses, swimming goggles, etc., providing various protective effects for the eyes. Modern glasses are usually equipped with a nose support in the middle of the lens and a cushion in the position where the left and right arms rest on the ear. People who love beauty or are not used to wearing glasses can choose to correct their vision with contact lenses.
In 1268, Roger Bacon first recorded lenses for optical purposes. The earliest glasses appeared in Italy and were introduced by Alessandro di Spina of Florence. The first picture with glasses, “Hugh of Provence”, was painted by Tommaso da Modena in 1352.
It is said that it was invented by an optician named Almato and an Italian living in Pisa.
American inventor Benjamin Franklin, suffering from nearsightedness and farsightedness, invented farsightedness short-sightedness dual-purpose glasses in 1784; In 1825, British astronomer George Ellie invented glasses that could correct astigmatism. Glasses appeared in China in the middle of the Ming Dynasty, and western glasses were introduced into China through the Western Regions or the Southern Ocean in the Ming Dynasty. Tian Yiheng in the Ming Dynasty Wanli wrote in the second volume of “Leaving the Green Sun”, “The eyes are tired when reading the article, and they don’t distinguish the fine book, to cover the eyes, and the spirit is not scattered, and the strokes are clear. They are linked with silk and tied behind the head, and no one knows them, so ask me.” You said: “This is also the entry.” The entry at this time is the original name.