Wednesday, May 1, 2019

History of sunglasses and prescription glasses - from ancient to modern

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History of sunglasses
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 It dates back to ancient Rome around 60 AD, where the Emperor Nero was said to watch the gladiator's battle while lifting polished emerald gemstones on his eyes to reduce the effects of sun glare. The first recorded evidence of the use of sunglasses can be found in a painting by the Italian Tommaso da Modena in 1352, which shows a person wearing sunglasses.

As early as the 12th century in China, court judges wore sunglasses, not to protect their eyes from the sun, but to cover up any expression in their eyes, because it is crucial to keep their thoughts and opinions. Every test. These are flat quartz glasses that are polished and then smoked to achieve their color tone.

It was not until 1430 that prescription glasses were first developed in Italy to correct vision. These early primary ghosts quickly found their way to China, where they were again stained with smoke for use by judges. The frame is carved from ivory or enamel, and some are very gorgeous.

In the 17th century, England was using prescription glasses to help the elderly's presbyopia look better. Founded in the UK, Spectacle Makers Company began manufacturing prescription glasses for the public with the motto "Blessing the Elderly."

However, the development of sunglasses remained unchanged until the work of James Ayscough, who was known for his microscope work in London around 1750. He experimented with blue and green lenses and believed they could help solve some vision problems. However, these are not sunglasses because he does not care to protect the eyes from the sun.

Over the next few decades, the prescription perspective continues to evolve, especially with the design of the frames and how to sit comfortably on the nose. The frame is made of leather, bone, ivory, enamel and metal and is simply supported or balanced on the nose. The early arm or side of the frame first appears on the strip around the back of the ear. The Chinese did not add ceramic weight to the end of the ribbon, but to the end of the ribbon hanging from the top of the ear. The sturdy side panels finally arrived in 1730 and were invented by Edward Scarlett. Later, when Benjamin Franklin invented the first bifocal lens in 1780, called the "Franklin split" dual focus, the lens technology made a huge leap, enabling presbyopic patients to read and watch from a distance without the need for separate distances and old Flower mirror.

As we know today, sunglasses were first introduced in the United States by Sam Foster in 1929. This is the first sunglasses specifically designed to protect the human eye from harmful sunlight. He founded Foster Grant and boarded the first pair of Foster Grant sunglasses on the beach in Atlantic City, New Jersey. This is the first batch of sunglasses produced in volume. From this year on, sunglasses really started to take off. When I say "take off", I mean literally, because in the 1930s, the Army Aviation Corps asked a company, Bausch & Lomb [still in existence today] to produce a spectacular color that would effectively lower high altitudes. The pilot's sun glare. They produced a dark green tone that absorbed the light in the yellow band of the visible spectrum.

In 1936, Edwin H Land patented the Polaroid filter from

Polarized sunglasses
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 . This type of hue reduces glare reflected from the surface, such as water. Later that year, Rayban used this recently invented polarized lens technology to produce the aviator sunglasses we know today, and further designed the aviator sunglasses. The edges of the frame feature sagging in the shape of a teardrop at the edge of the cheek, providing the pilot's eyes with comprehensive overall protection, and the pilot's eyes often have to look down at the aircraft's dashboard. Polarized lenses reduce the glare of the reflected light from the instrument panel. Pilots obtained these sunglasses for free, but in 1937, the public was allowed to purchase this aviator-style model of "banned" sun rays. Ray-Ban sunglasses.

In 1960, Foster Grant began a large-scale advertising campaign to promote sunglasses. Soon, famous movie stars and pop stars began to wear sunglasses as part of their image. The public is beginning to adopt this new style of wearing sunglasses, not only to protect the eyes from strong light, but also a way to look good.

Today, sunglasses are constantly improving, effective UV blocking color, and removing all harmful UV rays. There are now shades of various colors, and of course, the frame styles are very diverse and exciting. Now you can use fashion sunglasses to make real statements, change your image or create a new look. Designer sunglasses will certainly have a long way to go in just a few years, now not only protects our eyes from harmful sunlight, but also an important fashion accessory - all started nearly 2,000 years ago The Roman Emperor Nero!



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