Today's UV-resistant glasses are usually divided into two types: sunglasses and polarizers. Sunglasses are commonly known by people and are used to block sunlight and ultraviolet colored glasses. However, in people's daily life, in addition to sunlight and ultraviolet rays, irregularly diffused reflected light occurs when the light passes through uneven roads, water, and other places, commonly known as "glare". The appearance of glare can make your eyes uncomfortable and weary, and affect the clarity of your vision. Polarizers are sunglasses that can effectively filter out glare.

It is understood that less than half of the purchase of polarizers is for customers who need to ride a bicycle. There are many types of polarizers on the market. The colors are mainly dark gray and vermilion, and general brands also have stylish white and bright yellow.

1. "There are many ways to distinguish polarizers. One of them is simpler: when two polarized lenses are stacked vertically, the lens will show no transparent image. The reason is that the polarized lenses are specially designed to only flatten. Guangtonggong lenses, when the two lenses are stacked vertically, most of the light is blocked. When you are buying, you only need to do this briefly, you can immediately know the authenticity and quality of the product. "

2. "At the same time, there will usually be a discriminating plate for resolving polarized light. The naked eye will see black stripes, but when you bring the polarizer, you will get the black stripes you can expect from your naked eyes! can be seen!