Blue-Cut Glasses
The popularity of eyewear that purports to block blue light from computers, cellphones, and tablets is rising. Overexposure to blue light, according to advertisements for these glasses, can lead to a variety of issues, such as digital eye strain, irregular sleep patterns, or even blinding eye conditions.
No scientific research has shown that computer screen light is harmful to the eyes. The Academy does not advise wearing any special eyewear when using a computer because of this.
Are My Eyes Hurt by Blue Light From Screens?
Blinking decreases with prolonged use of digital screens. ocular strain is a collection of transient ocular symptoms that can occasionally be brought on by blinking less. However, people’s screen usage, not anything that comes from the screens, is what causes these consequences. Taking frequent breaks from the screen is the greatest method to prevent eye strain.
It has never been proven that the amount of light from a computer causes any kind of eye ailment. According to a study that was reproduced by the National Library of Medicine, computer screens do not emit any detectable UVA or UVB radiation, which is the most dangerous type of light.
How Can I Reduce Eye Strain?
If you spend your entire day on a computer, you can prevent eye strain by following these tips:
Place your arm at a distance of roughly 25 inches from the computer screen. Set the screen so that your eyes are pointing a little bit down.
Use the “20-20-20” rule to take frequent breaks: every 20 minutes, move your eyes to focus for at least 20 seconds on an object that is at least 20 feet away.
Use artificial tears to lubricate your eyes when they feel parched.
To lessen eye strain, try adjusting the lighting in your room and boosting the contrast on your screen. If necessary, use a matte screen filter.
Put on your spectacles to give your eyes a rest if you wear contact lenses.
Blue light lenses and spectacles have been developed to assist lessen the harm caused by blue light. These could help reduce the daily exposure of your eyes to blue light.
Scientists are still trying to figure out how long-term exposure to blue light can affect your eyes.
Meanwhile, research indicates that these glasses, in conjunction with specific lifestyle choices, may help alleviate symptoms of blue light exposure, such as eye fatigue and dry eyes.
Continue reading to find out what is known about blue light glasses and how to help avoid harmful side effects from this kind of light.
Why does blue light matter?
On the light spectrum, blue light is a form of visible light. Its wavelength is between 415 and 455 nanometers, which is quite short. As a result, blue light has a higher energy content than many other forms of light.
Artificial sources are not the only sources of blue light. Every time we gaze up at a blue sky, we naturally perceive blue light.
Humans were only exposed to blue light during the hours when the sun was up for thousands of years. Therefore, blue light is interpreted by our brains as a signal to stay awake, energized, and to keep our bodies prepared for action.
Because of this, exposure to blue light from a device can cause confusion in your body. High levels of blue light exposure, such as from an artificial source (like your smartphone) in an otherwise dark area, can disrupt your waking and sleeping cycle.
Additionally, excessive blue light exposure during the day might cause eye tiredness.
Excessive exposure to blue light can also cause dry eye. You may be all too familiar with these symptoms because you may spend over ten hours a day on your devices, both at work and at home.
