Now, the summer solstice has passed. The temperature will continue to rise, and we have begun to eat watermelon with the air conditioner turned on at home. How comfortable! Look at it, the sun outside is too big, I really wish I didn't go out for a day, but it's impossible not to go out for a day. I have yet to live a life of complete financial freedom! For example, I am still typing this article about the function of sunglasses by typing on the keyboard to find materials! Remember to wear sunscreen when you go out, such as: apply sunscreen and wear sunglasses!

At this point, you have guessed what I am going to write next (nonsense, after reading the title you will know what I am going to write). Well, that's right. Let's take a look at the functions of sunglasses.

According to the material, sunglasses are divided into two types: acetate sunglasses and metal sunglasses. The difference between the two glasses I will not go into details here. I will explain in detail in a later article.

The first function of sunglasses is not to be said. It is known to be decorative and stylish. Even if our clothes are ordinary, we must be the prettiest boy on the street wearing it!

Knock on the blackboard, the following editor will learn the practical functions of sunglasses with you.

Sunglasses function 2: protect the eyes from ultraviolet rays, which is one of the important functions of sunglasses. Ultraviolet rays are one of the rays that are harmful to the human body. Long-term exposure of the eyes to ultraviolet rays can easily cause diseases. Therefore, many eyewear manufacturers usually add UV powder when making sunglasses to increase the anti-UV ability of qiang lenses.

Sunglasses function 3: Anti-glare. When the eye receives too much light, the iris naturally contracts. Once the iris is fully retracted, people need to squint. If there is still too much light, such as sunlight reflected from snow, it can damage the retina. High-quality sunglasses can filter up to 97% of the light entering the eyes, avoiding damage.

Sunglasses Feature 4: Anti-glare. Some surfaces, like water, reflect a lot of light, and bright spots can interfere with vision or hide objects. Youzhi sunglasses can completely eliminate this glare using polarizing technology.

Sunglasses function 5: Eliminate light of a specific frequency. Certain frequencies of light can blur vision, while other frequencies can increase contrast. Choose the right color for your sunglasses to get a better look in your specific environment.

That's what sunglasses do. do you remember? It's okay if you don't remember. If you think this article is valuable and helpful, you can bookmark and forward the author's article and browse it from time to time.