Do you know how to use sunglasses?

Using sunglasses in the sunny season will bring unexpected effects that not everyone knows.
Benefits of sunglasses

Illustration. To protect your eyes from sunlight: Sunglasses should be large enough to protect your eyes from the harsh sun. To reduce glare: Polarized glasses help reduce glare and help your eyes see better, especially when on the road. To prevent cataracts: A pair of sunglasses with UV protection is exactly what ophthalmologists specialize in at all times of the year. Let people…don’t recognize you: Sunglasses are often an integral part of Hollywood stars, it makes them look completely different, whenever they want to be quiet or relax on the street and don’t want others to notice. You may not be a star, but there will definitely be times when you want to be alone and not want anyone to notice. To hide the…you cried: Do not want others to notice your red eyes because you just cried, you can wear a pair of dark-colored sunglasses. Very effective. For a more “cool” look: Sunglasses come in a variety of styles and colors, and you can easily pair them with different outfits. It looks very “cool”. To avoid wind and dust: Sunglasses work best in case you are riding a motorbike. To protect your eyes while playing sports: It may sound strange, but a pair of anti-collision sunglasses can protect your eyes very effectively when playing sports. To highlight the face: Sunglasses can very well overcome some disadvantages of the face. And whether your face is round, square, or oval, there’s the right type of sunglasses for you. To look stylish: For many people, this is the primary (and sometimes only) use of sunglasses. Which color should I choose? Our skin color and eye color are also important in blocking UV rays. The darker the skin color, the better the UV filter. As for sunglasses, the UV filterability depends on the color of the glass and the material of the glass. Glass made of polycarbonate, CR39 has the ability to filter about 50% of UV rays. Amber yellow and light black are said to be the best UV filters. Blue light or groups of high-energy rays in the visible spectrum have been implicated in macular degeneration. Copper-colored, sepia glass is said to filter out blue light better than other colors. If you are in doubt, consult a spectrophotometer who will tell you exactly if your glasses are 100% UV protected. Gray is the most popular color among Americans. Gray glasses are used to be suitable for all normal activities while ensuring good vision, true colors. Brown is preferred by golfers and skiers. Orange should be used for shooters, red is suitable for places that are too sunny. Yellow should be used when driving and going to the beach. Indispensable beauty accessories Just like shoes, bags, sunglasses are also people’s favorite fashion items. The discreet, famous people who do not want to be scrutinized by the public also often wear large-framed sunglasses. Sunglasses are also cosmetic tools for people with eye disabilities. They can cover the deformities, increase their own aesthetics. More options when using sunglasses Sunglasses can be mirror-coated to prevent glare. New forms of materials are considered good scratch resistant, but quite expensive. Anti-glare glasses for drivers, people working with strong light sources. Anti-condensation glasses, polarized glasses are new products in the glass market. People have known about polarizers since 1939. However, the technology to produce glasses and consume them is only in the last 20 years. Polarized glasses are considered the best anti-glare. Therefore, it is very suitable for driving, working or playing outdoor sports, fishing, going to the beach. Some special forms are made to work with liquid crystal displays – LCDs, watching 3D movies. Glasses are quite expensive from a few hundred thousand to several million dong a pair.