Celeritas Lucis - STS lyrics

Eyeglasses it helps you see and correct your vision It's also called spectacles, it is mounted in frames and worn on the face It's mostly sitting on the ear and nose which are position in front, of your eyes. and that is why it called eyeglasses Now let me tell the story on how the glasses became so trending, now lend me your ears and listen carefully cuz im starting First, The ancient way they used glass sphere filled with water, to enlarge thing observe magnified objects. in 1200s. When you look upon the glass filled with water, you will actually see a picture that is flipped. It becomes inverted because of the refraction of light. It'z amazing? right? The ancient people defined eyesight as the most wonderful of the five senses and that is why they devoted studies on eye and vision. And not only that, Did you know that rock crystal can be used to help vision by shaping it to convex chapes. These are called stone for reading which are governed by crystal craftmen which gave them the idea to use glasses Secondly, In 1300s the first eyeglasses was created to improve farsighted vision. They used biconvex glasses, which consisted of two lenses; each assembled with a rim of metal or leather, fixed together. They were held before by hand. in order to help them in reading, It's still not secure and cannot be worn steadily. It is a common practice to make eyeclasses as a form of an art, it's the trial and error year. In the next century, 1400s to 1600s, in this time people searched of good materials for eyeglasses. They need to find a way, to keep the steadiness of eyeglasses so that it does not have to be held by hand Eventually, they found a solution for this problem. by using metal frames with the right shaping of the bridge. they now can sit alone. without the need of using your hands we can see that the eyeglasses are developing 1700s, the birth of Franklin's invention, which gave us new parts of the eyeglasses, such as the side or temple pieces that rests on the ear and bifocals, it is more convenient and easy to use thanks to Benjamin franklin. It is the rising fashion, of 1800s, yes it's the eyeglasses, now use oval lenses with slender frames. that use thin mental temples that curled behind the ears. with nice stability and spring support of the bridge, it's nose dependent. In 1873, John Hyatt dicovered celluloid, which is now used as glass frames in that century. 1900s, the birth of sunglasses, cuz of sir william crookes of england created new lenses. Capable of absorbing ultraviolet infrared light, it also used for fashion by our celebrities. It becomes more personally used as an expression of personality. It is an art of style became an extraordinary product. Now lastly, shows us versatility. Since plastic is around now modern glasses are lighter and safer. it's also part of a person's style, with different shapes and colors, it depends on what, may it be sunglasses or reading glasses. Eyeglasses, Evolution of eyeglasses, Eyeglasses, Evolution of eyeglasses.