When you read news, watch movies or play video games, a pair of blue light protective glasses is a way to keep your eyes healthy and safe. You may already call them PC glasses. Since the typical reading distance for a computer is different from the distance you read from a book, computer glasses should be adapted to this situation and customized according to your personal needs. Recommended reading: What are the causes of myopia and how should we protect our eyes?
Computer glasses not only correct your vision for reading from a screen, but also the anti-blue glass protects your eyes from harmful blue light that may damage your retina.
There are several ways to filter blue light on laptops, TVs or computers. There are even applications that can modify the color temperature of the screen. However, the science behind these applications is not certain, so the safe way to protect your eyes is to use a pair of PC protective glasses with blue light filters.
Blue light filter glasses are glasses or sunglasses that absorb a large amount of blue light. This is achieved through a combination of the lens material and a special coating applied to the lens. Most lenses also reflect part of the blue light away from the eyes.
Not all blue light is destructive — some of it is essential for proper vision. By absorbing an appropriate amount of harmful light, blue light filters are useful for your eyes in many situations - at work, when you are reading on a tablet or mobile phone, and on bright, sunny days.
Ordinary glasses and readers usually do not block blue light. Whenever you buy a pair of glasses, you can choose to add blue light filtration as an extra function to the lenses. Alternatively, even if you do not need a prescription, you can get PC protective glasses with blue light and anti-reflective coatings.
Besides coating the lenses of ordinary glasses, you can also choose to wear sunglasses with tinted lenses to block some blue light. However, this is not an effective solution, and it can sometimes be used as a temporary fix.
Yellow and amber lenses are the two colors that help filter blue light in the visible spectrum. However, whether you use these tints in front of a laptop or on the street, the colored tint of the lenses will also distort all other colors.
Tinted computer glasses with yellow lenses are also often sold as video game glasses, because they improve eye comfort by increasing contrast and reducing some tiring blue light.
If you are a night owl or a computer addict, you probably already know that screens can really strain your eyes. Every minute you spend in front of a screen without protection against computer eye strain will affect your eye health in the long run.