Why are aviator sunglasses so popular with cops?
In the previous article, we discussed “What is a decent price range for good aviator sunglasses?”. In this article, let’s talk about “Why are aviator sunglasses so popular with cops?”.
Why do the police wear aviator sunglasses?
In fact, the police wear sunglasses when they work mainly for work. The police have to go out to patrol and perform tasks. When they are outdoors for a long time, if they don’t wear sunglasses, their eyes will be exposed to the sun and be damaged by ultraviolet rays. When driving a police car, the surrounding things have a strong reflection effect on the sunlight, and direct and reflected sunlight will pass through the windshield and enter the car. The reflected light enters the human eye directly for a long time, causing damage to the eye, and even blindness in severe cases. Especially in summer, the sun emits strong ultraviolet and infrared rays, which can damage the cornea, lens, and even the fundus of human eyes.
The birth of aviator sunglasses
Do you know that sunglasses were originally munitions? In 1923, a U.S. Air Force lieutenant who flew a small plane across the Atlantic felt some discomfort during the flight. After returning to the base, he began to feel sick, vomiting, and even headache. The reason was that various rays of light from the sun affected his eyes and body.(post.koalaeye.com)
Therefore, he visited the well-known Bausch & Lomb lens manufacturing company at that time. Bausch & Lomb believes that to produce glasses that meet the requirements of the Air Force lieutenant, the key is to invent a lens that can effectively block the strong sunlight at high altitudes.
In 1930, the world’s first pair of sunglasses was born. The lens of this kind of sunglasses is made of high-quality optical glass. The metal particles inside the lens can absorb part of the sun’s rays, so it can block ultraviolet and infrared rays from directly entering the human eye.
This type of sunglasses was supported by the U.S. government and quickly used in the U.S. Air Force. During the Second World War, with the US military’s footprints all over the world, sunglasses gradually became known to the world.
In 1936, sunglasses began to be introduced to the mass market. Because they can block the harsh sunlight and beautify the image of the wearer, sunglasses are quickly loved by people and gradually become popular all over the world.
Polarized sunglasses and ordinary sunglasses
There are many types of sunglasses, the most important of which are polarized sunglasses and ordinary sunglasses. The main difference between polarized sunglasses and ordinary sunglasses is that ordinary sunglasses only have the two basic functions of shielding strong light and filtering ultraviolet rays, and have low technical content; while polarized sunglasses are manufactured according to the principle of light polarization, which can effectively eliminate and filter out the scattered light in the beam, making the field of vision more clear and natural.
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