We are blessed to be a part of the modern and technological era at the turn of the 21st century. Electronic gadgets are consistent with us in our day to day life and also provide great help in many tasks. Even though there are numerous beneficial outcomes we appreciate from these gadgets in our regular daily existences, however, a more risky side exists to the entirety of this advancement and accommodation.
Multiple electronic LED devices emit blue light. Blue light, also known as high-frequency visible light, can be a serious threat to the well-being of our eyes. These facts and negative impacts that might be caused by blue light are now known but were considered obscure and superfluous earlier in the past. All electronic devices with a LED or visual display such as cell phones, PCs, laptops, etc. can be a reason for digital eye strain, weak and tired eyes, and computer vision syndrome.
What is 'Digital Eye Strain'?
This blue light or high-frequency visible light has a shorter wavelength as compared to other visible lights. This is the reason blue light is not much focused. Looking continuously on digital screens can reduce the contrast of eyes and thus cause digital eye strain.
In simple words, digital eye strain can be understood as the stress caused in the eyes after long exposure of eyes to blue light. Whenever you sit in front of digital screens, whether it is a mobile screen, a laptop screen, or any other digital screen, for two or more hours, this strain can happen to you. Some common symptoms of this illness include blurred and irritated vision, neck and back pain, headaches, etc.
Blue light can cause depression:
An excessive amount of screen time additionally causes routine latency, overstimulates the sensory system, and increases the production and secretion of cortisol-the stress hormone. When persistently actuated, it triggers the cerebrum's poisonous runaway pressure reaction, which scientists have distinguished as an extreme driver of burdensome disease. Also, presenting our eyes to counterfeit lighting—particularly the blueshifted tints of digital screens—postpones the release of melatonin, the hormone responsible for inducing drowsiness, until 45 minutes after we shut down. The subsequent lack of sleep can trigger depression.
Following are some ways to protect our eyes:
Nowadays, optical industries have an innovation called lens technology for us to protect our eyes from blue light, glare, and several other stress-causing factors.
Commonly alluded to as PC or computer glasses, this is a specially constructed eyewear for those who are habitual of facing digital screens for a long duration of time. These blue light glasses are easily available and can be purchased with or without a prescription. The lenses are modified to lessen fogginess and pixelation, reduce brightness, block blue light, and limit glare while working before a screen—or different screens.
The lenses used in these computer glasses are special and of high quality. These lenses play a vital role in decreasing or eliminating the harmful effects of blue light. Blue light is filtered out, and thus you can have a clear vision with reduced eye strain.
An improved and innovative way of reducing blue light exposure as well as eye strain is to use blue light filters. This can be helpful to you if you are actively exposed to blue light. These filters are available for laptops, cell phones, tablets, etc., and limit blue light emission without affecting the visibility of the display.
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