How to choose sunglasses? Ask for recommendation.

The choice of sunglasses should be convenient from the aspects of filtering ultraviolet index, wearing comfort and lens material. Tyrannosaurus rex and pasha sunglasses are recommended.

The ideal sunglasses must meet the following conditions:

1, filtering out at least 96% of ultraviolet rays;

2. The color of the left and right lenses is uniform, and the difference cannot exceed 5%;

3. The scene cannot be distorted by the lens;

4, light and comfortable to wear, eyelashes do not touch the lens, not easy to break.

If you buy polarized sunglasses, please go to your car first to see if the coating or film on the front windshield conflicts with polarized sunglasses. If there is conflict, rainbow colors will appear in front of you. It is generally recommended to choose "dark brown" or "black gray" lenses, which will only reduce the brightness and will not change the eye's recognition of color.

Excellent chemical resistance, suitable for plate and frame, ultra-light weight and not easy to crack (frameless perforation). Good optical performance 100% UV protection and rich colors, and it is the best lens on the market at present. At present, Tyrannosaurus sunglasses are mostly nylon lenses.

Sunglasses also have a long life. Generally, they will be replaced every 1 ~ 2 years, because the coating will wear out. Although good use can prolong the service life, as long as there is one negligence, it will cause damage to the coating.

Many internationally renowned sunglasses are specially designed for white people. When Asians wear it, there may be problems such as "the top eyelashes of the lens" or "the frame presses the cheekbones". It is recommended to try it on in a physical store.

In addition, there are some myopic sunglasses with degrees on the market, but because the pupil distance and other indicators vary from person to person, it is best not to choose these sunglasses with degrees without the guidance of a professional doctor.