Whether children’s sunglasses need to be polarized or not depends on the actual situation. Polarizers are functional glasses that filter out diffuse light. If you are outdoors and under strong light, it can protect your eyes. But it also has a characteristic, that is, it will reduce the brightness. So it’s not suitable for indoor or dark places, which will cause lower brightness and eye fatigue.
So, polarized sunglasses can be an option for kids outside in bright light, if they’re worn in the right place. In this case, children’s eyes can be protected; if polarized glasses are worn in places with insufficient light, it will affect children’s normal vision and may cause myopia.

There are many well-known brands of children’s sunglasses on the market today. When parents buy, it is recommended to choose regular products with quality certification marks, so as not to damage children’s eyes with inferior sunglasses. You can ask more professionals in the store about children wearing glasses to ensure the safety of children’s glasses.
If people do not wear sunglasses under strong light, they can only adjust the luminous flux by adjusting the size of the pupils of the eyes, but this is limited. Once the light intensity exceeds the adjustment ability of the human eye, it will inevitably cause damage to the eyes. Therefore, in summer, you should use sunshade glasses to protect your eyes and reduce the fatigue caused by the self-regulation of the eyes and the damage caused by strong light stimulation.

Polarized sunglasses can filter out this kind of light, only absorb the reflected light of the object itself, truly present what you see, make the field of vision clearer, and reduce visual fatigue. In addition, due to its high-efficiency filter layer, polarized sunglasses have a blocking rate of 99% for ultraviolet rays, which can effectively reduce the damage of ultraviolet rays to the eyes.
Polarized sunglasses purchased in regular optical stores will not affect the eyes, but it is recommended not to buy sunglasses at roadside stalls. Irregular sunglasses will affect vision. Not only will people’s vision not be clearer, but it will hurt the eyes. Health, so when buying glasses, pay attention to buying better quality glasses, and don’t buy junk brands.

Polarized sun eyes are not only available in black, but also in gray, light blue, yellow and green. In fact, each of them has its own advantages. For example, green can increase the green light seen by the eyes. , has the effect of relieving eye fatigue. However, the color of polarized sunglasses is best to choose gray, because it can absorb light from all over the place evenly, so that the eyes can see a relatively clear and real world without too much color difference, especially suitable for drivers.