Can blue light glasses damage your eyes

Can Blue Light Blocking Glasses Damage Your Eyes?

Can you wear blue light glasses while driving? Leiendo Can Blue Light Blocking Glasses Damage Your Eyes? 3 minutos Siguiente Are Warby Parker glasses good quality?

In the previous article, we discussed “Can you wear blue light glasses while driving?”. In this article, let’s talk about “Can blue light glasses damage your eyes?”.

What harm does blue light do to people?

Blue light refers to the wavelength of 400 ~ 500nm visible light, and it is one of the components of sunlight. With the popularity of electronic products, we are surrounded by blue light all the time. Cell phones, computer screens, iPads, LED lights, and so on all emit blue light. At very high intensity, blue light can damage the light-sensitive pigments in the retina. Studies have shown that long-term exposure to high-intensity blue light can increase the number of toxins in the macular area of the retina, resulting in fundus damage after cataract surgery, and aggravating visual fatigue. Blue light can interfere with melatonin secretion, affecting sleep. When you play with your phone at night, the constant stimulation of blue light from the screen suppresses melatonin production in the pineal gland and disrupts circadian rhythm regulation.

Do blue light glasses work?

Now very popular anti-blue light glasses claim to protect the eyes, but there is no medical research to prove that blue light filtering glasses can reduce the chance of eye macular disease. Because of blocking the blue light, after wearing anti-blue light glasses, there will be deviation of the darkness and accuracy of the colors seen. Experts suggest that it is more important to develop good eye habits.

Blue light glasses vary in quality.

In 2015, the Beijing Municipal Bureau of Quality and Technical Supervision randomly checked a number of anti-blue light resin lenses from optical shops, wholesale cities, and medical institutions. Among 30 batches of samples, 15 samples had a high-energy blue light transmission ratio of more than 90%, and some even as high as 98%. Such lenses basically had no anti-blue light effect. Businesses often make gimmicks for profit, but there is no evidence that anti-blue light glasses can effectively improve eye swelling, dry eyes, vision loss, fundus lesions, and other effects.

Do blue light glasses harm your eyes?

Qualified products must be selected. Anti-blue lens is divided into two types, one is the light orange lens with substrate coloring. The background color is darker, not suitable for a long time to wear. The other is through the surface layer to achieve anti-blue light, with the light background color. In terms of effect, there is little difference between the two types of lenses in preventing blue light. Blue-ray glasses are only suitable for people who use electronic products for a long time. They are not suitable for those who have tired eyes. Teenagers and children should not wear them for a long time. Such glasses will form a high blocking blue light, which is easy to cause color bias and make fatigue more severe.

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