Look at the size of the tag
The size of the sunglasses is designed according to the standard specifications. Like the glasses frame, the size of the sunglasses are available on the temples or on the tag. You can use this data for reference. For example, 53-16-130, that is, the frame size is 53mm, the nose bridge size is 16mm, and the temple size is 130mm.
Refer to the previously purchased size
When choosing sunglasses, if you don't know the size, you can refer to the size of the sunglasses you bought before. Generally, when you are shopping on the Internet, there are pictures. The numbers on the above are clearly indicated. You can refer to the above pictures or use them. You can also use the ruler to measure the approximate data that has been obtained with the glasses, or the size of the sunglasses that were previously purchased.
GO TO The store trying to get the exact size
If you don't know the size, the easiest way is to try it on in the store. The feeling of wearing can be a good indication of whether the size is suitable for you. And when you wear it, you can look in the mirror, whether this sunglasses fits your personal face.
In general, the size of European and American sunglasses is larger than the size of Chinese sunglasses. If it is designed for Asians, the size is more suitable for Asians. When buying sunglasses, in addition to focusing on size, styles need to pay attention to quality, only high-quality sunglasses have a good anti-UV effect.