Wearing sunglasses for children is to block ultraviolet rays, and this standard for childrens glasses is naturally strict. UVA is long-wave ultraviolet radiation, and UVB is medium-wave ultraviolet radiation, both of which need to be protected.

A pair of professional children's glasses should not have glass lenses, but should be made of sufficiently safe materials that are wear-resistant and drop resistant; The frame should also have sufficient toughness, be able to twist and fold freely, and have no small attachments that are easily detached.

First, look through the lens to check if the vision is normal. Hold the sunglasses, straighten your arms, and look through the lenses towards distant straight or right angles, such as door frames, floor lines, etc. Slowly move the sunglasses up, down, left, right, and in all directions. If the lines are twisted or skewed, it indicates that the lenses are not qualified.

Sunglasses have their industry standards, and qualified sunglasses will be labeled with certification information on the packaging or product. If it meets the standards, this pair of children's sunglasses is qualified. Select sunglasses with acceptable quality.

It is difficult to successfully bring sunglasses onto a child's face, and they may be pulled off immediately. Even if they are not pulled, they are prone to slipping off during outdoor activities such as running. You can choose sunglasses with additional straps to prevent them from slipping off and adjust the elasticity to make them fit your face as closely as possible.

The size of the glasses is very important. Children who are too young may feel uncomfortable wearing them, while those who are too big may feel unstable and add more burden to their nose bridge. If purchase kids' eyeglasses online, different brands of sunglasses come in different models and sizes, so careful consultation is necessary.