How Much Blue Light Can Blue Light Glasses Block?

In the electronic age, no one in it can get rid of mobile phone screens and computer screens. More and more people hold their mobile phones to swipe their screens before going to bed and after waking up, and still swipe their phones after waking up. This has resulted in a series of eye problems, such as dry eyes, fatigue, eye pain, and decreased vision. So in recent years blue light blocking glasses have appeared.

Why Do We Need to Prevent Blue Light?

Everyone knows that ultraviolet rays hurt the eyes, and ultraviolet rays are invisible ultrashort wave light. Blue light is relatively close to it, and it belongs to short-wave light in visible light. The shorter the wavelength of physics is, the higher the energy is, the stronger the penetration is, so blue light can also cause certain damage to the fundus. Now everyone is watching too much video terminal. These smart terminals are composed of red, green and blue light, so we must focus on protecting against blue light damage.

Can Anti-blue Glasses Really Protect The Eyes?

Since blue light can harm the eyes, anti blue ray glasses actually filter out part of the blue light based on the complementary blue light. It can protect the eyes to a certain extent, especially for groups who stare at the electronic screen for a long time. The anti-blue light products currently on the market are also mixed, so everyone should pay attention when buying.

How Much Blue Light Can Blue Light Glasses Block?

The percentage of blue light blocked by a pair of blue light blocking glasses varies from lens to lens. Generally speaking, clear blue light glasses with blue coating can block the blue spectrum by 5% to 40%.

Yellow or amber glasses lenses can block more blue light. Tinted lenses usually associated with computer glasses can block up to 65% of blue light, such as computer screen glasses, gaming glasses for kids and top blue light blocking glasses.

Wearing computer glasses for a long time has been shown to affect the color perception of some people. You need to solve the limitations of transparent lenses.

Is It Necessary to Wear Anti-blue Glasses?

Since blue reflect glasses can protect the eyes to a certain extent, is it necessary for everyone to wear them? It mainly depends on personal life and work habits. If you really need to face the computer screen for a long time every day, wearing it will protect your eyes. But if you don’t look at a lot of electronic screens, such as just reading and studying, then there is no need.

It seems that blue light protection glasses can protect the eyes to a certain extent, especially for groups who stare at the electronic screen for a long time. But experts also said that in fact, the most important thing to protect your eyes is to take regular breaks, reduce the use time of electronic products, and develop good eye hygiene habits. Even if you wear anti-blue glasses, facing electronic products for a long time can cause damage to your eyes.