WHAT EXACTLY IS BLUE LIGHT?
Blue light is found in more places than only digital device screens. Red, orange, yellow, green, blue, indigo and violet light make up sunlight. White light is created when these hues combine. The energy and wavelengths of each color of light differ. Blue light has shorter wavelengths and a higher energy level than most other colors.
WHEN DO YOU GET EXPOSED?
The most common source of blue light is sunshine. Surprisingly, the amount of blue light emitted by screens is minimal when compared to the amount of blue light emitted by the sun. However, because of the close closeness of the screens and the amount of time spent gazing at them, there is still concern about the long-term effects of digital screen exposure.
When looking at fluorescent lights, LED lights, flat screen and LED televisions, computer displays, cellphones, and tablet screens, you are exposed to blue light. Furthermore, according to a recent study published by the National Eye Institute, children's eyes absorb more blue light from digital device screens than adults'.
How can you protect your eyes from the harmful effects of blue light?
While you won't be able to totally avoid using laptops or smartphones, you can reduce the harmful effects of blue light on your eyes. Follow these steps:
Keep a safe distance from them. Keep your distance from the computer or laptop to an arm's length (about 25 cm). Your screen should be positioned so that your eyes are drawn downward.
Try following the "20-20-20" guideline. Look away from your screen for at least 20 seconds every 20 minutes. This allows your eyes to relax by taking periodic breaks.
At night, limit your gadget use. At least 2 hours prior to the night, avoid using blue-light emitting electronic devices.
Artificial tears are a good option. Due to digital eye strain, this helps to lubricate your dry eyes.
Brightness and contrast on your computer can be adjusted.
Adjust the lighting around your gadget.
If you have an electronic gadget, consider using a matte screen filter.
When sitting in front of the computer for long periods of time, opt for glasses rather than contact lenses.
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