Are the anti-blue glasses often recommended by merchants useful? You will understand after reading this article.

First, we need to figure out what blue light is.

1. What is blue light?

In fact, blue light is ubiquitous in our lives, including the sun and mobile phone electronic products. These things all have blue light, but blue light can be divided into beneficial blue light and harmful blue light.

1, harmful blue light, harmful to our eyes, long-term contact with the eyeball will lead to eye fatigue and dizziness.

2, beneficial to blue light, good for us, can promote our sleep and all aspects of metabolism.

Second, the shortcomings of anti-blue glasses

1, the lens itself is not clear enough. We can see better with glasses, but the blue light prevents it from reducing the clarity.

2, anti-blue lens background light, see things a little darker, especially when the light is not enough, you can't see clearly.

3. Who should wear anti-blue glasses?

1. People who watch computer for more than 8 hours every day can consider wearing anti-blue lenses.

2, eye surgery or cataract disease, it is recommended to use anti-blue glasses.

3, in the case of strong lighting, such as bars, ktv, you can use anti-blue glasses to protect your eyes.

Fourth, summary:

Anti-blue glasses are useful, but they are not suitable for everyone and need to be selected according to their own needs.