Is there a function to block blue light?

This must be noticed. Whether it is computer goggles or anti-radiation glasses such as anti-blue light glasses, if there is no effect of blocking blue light, it is just a flat mirror. Be sure to pay attention to whether there is a coating on it.

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Is the line of sight obstructed?

There is a coating on the anti-blue light glasses, but it does not hinder the vision. If you feel that your vision is blocked after wearing it, and there is a very blurry feeling, then do not buy it.

How is the lightness

The anti-blue sports sunglasses that the author bought for the first time were particularly bad. After wearing them for a period of time, they would feel that the bridge of the nose was particularly heavy, and it would be good after changing a pair. Anti-blue light glasses must pay attention to lightness and comfort. Once they are uncomfortable, it is the eyes that suffer.

Quality

Really good anti-blue light glasses are not cheap, so you need to buy good quality glasses. The brand is more reliable, and everyone can go to the glasses store to buy them.