5 Must-Know facts about Blue Light


Blue light is one among the hottest topic being discussed by the health care professionals. Now, blue light has been up in the limelight for being a bad bird, but very few know the fact that this thing can also be good. So, if you need to know the lesser-known facts about Blue Light, let’s get on with it.

1-It’s all around:

Pic Credit: Source

As opposed to the popular belief, blue light just doesn’t come from sources such as a tablet, mobile phone, computer screen, or TV. Truth be told, it is all around with the prime source being sunlight. All those sun rays flooding your environment are comprised of the rainbow color spectrum which ranges from UV light to infra-red. Blue light sums as one among the major component in this spectrum. In fact, the coverage of blue light is approx 1/3rd of the total light spectrum which is visible to the human eye.

2-Degenerates your eyes:

Pic Credit: Source

Given the fact that blue lighthouses a particularly short wavelength when compared to others, it takes a toll on your eyes with the energy it houses. Considering that we tend to spend a chunk of time looking at the screen, our eyes are constantly bombarded with this light leading to negative effects. The main example of the same is the digital eyestrain we tend to experience. The symptoms of this can range anywhere from back and neck pain to blurry vision. This could worsen with time and lead to macular degeneration proceeding further to permanent damage, hence blindness.

3-Difficulty Sleeping:

Pic Credit: Source

Finding it difficult to sleep? Blue light could be the cause of the same. Given our body’s elevated blue light sensitivity, it can lead to difficulty in sleeping and interferes with the circadian rhythm. This is the body’s internal clock which is responsible for well-maintained periods of alertness and sleepiness. Surfing through phone or watching TV just before getting to bed can introduce a shift of the circadian clock, making us sleep late.

4-It isn’t all bad:

Pic Credit: Source

Amid all negative press, blue light has some upsides. It has been known to ramp up the alertness, enhance cognitive functions, and help jog better memory. It has also been associated with elevated mood. Additionally, exposure to a good amount of blue light in the daytime leads to maintenance of healthy sleep cycles. So, make sure you enjoy the daylight as much as you can and keep away from things that emit blue light at night before sleep.

5-You can beat blue light:

Pic Credit: Source

Believe us, but one of the best ways to avoid the deteriorating effect of blue light is to blink from time to time. The more people tend to focus on the screens; it is less likely that you will blink. This leads to dry eyes, so make sure you blink it away. Another possible solution is purchasing special filters for blue light that minimizes the inflow of this light to your eyes. Additionally, blue light could lead to premature aging of the skin, so make sure you opt for advanced skin protection with a reliable sunscreen.


Please enter your comment!
Please enter your name here