Knowledge of Sunglasses

How to select material of sunglasses frames?

1. Lightness

2. Smoothness

3. Hardness

4. Flexibility

5. Rust and mold prevention

6. Corrosion resistance

Why need UV400 sunglasses?

We know that when there is strong light stimulation, our human eyes will automatically shrink to reduce stimulation.

Functions for sunglass colors:

When choosing sunglasses, we will see many different colors of products, such as black, brown, coffee, gray, green, red, and so on.

What the difference for Polarized sunglasses and general sunglasses?

Many people ask what polarized sunglasses are?

Will polarized sunglasses block all light?

What lenses material for High quality polarized sunglasses in usual?

High quality polarized sunglasses have stronger impact resistance, and their lens material is Nylon, which is a material with special physical properties.

What is the difference for low quality and high quality polarized sunglasses?

Ordinary polarized sunglasses can also dim light, but they only dim all colors, while high-quality polarized sunglasses use spectral adjustment technology,

How did sunglasses become popular？

In 1920, a unique cultural phenomenon became popular in the United States: the flapper style. 

At that time, many women cut off their long hair, kept

Sunglasses for fishing can protect your eyes.

There are 2 reasons as below:

1. Going outdoors to fish, usually by the side of water, such as by a lake, the sea, a pond, etc. 

What color's to buy sunglasses lenses for？

We all know that when going outdoors, especially when the sunlight is strong, we need to wear sunglasses when going outside.

Many people have heard that there is a type of glasses lenses that prevent blue light, can prevent myopia, and protect eye vision.

So is it true? Please listen to an ophthalmologist to help you answer: