Blue Light and Our Eyes

What is your routine as you prepare yourself for bed?

Most of our nighttime regimens consist of items like brushing teeth, taking out contact lenses, and washing our faces, but how many of us likewise ensure to inspect our mobile phones for any last updates prior to we go to sleep? This most likely isn’t the very best way to end the day, because the blue light in our screens has substantial results on our eyes and our internal clocks.

The Visible Light Spectrum

The colors we see make up a small area of the electromagnetic spectrum, with infrared rays just below what we can see and ultraviolet rays just above it in frequency. Blue light, the highest-energy light in the visible spectrum, spreads more easily than the other colors, which is why the sky and ocean look blue to us.

Synthetic and Natural Blue Light

Prior to electricity, generally, the only source of blue light we had was the sun. We are set to respond to natural blue light. In the daytime, we feel more mindful, our memory works much better, we have more energy, we respond faster, and we generally feel much better. Blue light is the signal to our brains that it’s time to be awake. The lack of it signals that it’s time for sleep.

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The trouble is that thanks to all the computer systems and mobile phone screens in our lives, blue light no longer only originates from the sun. When we pull out our phones right prior to bed, our brains get the signal from the artificial blue light that we’re supposed to stay awake, so they don’t start releasing melatonin. This makes it harder to sleep and reduces the quality of the sleep we do manage to get, contributing to a large range of prospective unfavorable health impacts.

To keep blue light from messing up our sleep cycles, we can just avoid taking a look at our screens in the hour or more before bed. That isn’t always possible, though, so it might be worth it to attempt the night mode on your phone or try to find an app that decreases blue light at night.

How Blue Light Affects Our Eyes

Blue light is right beside UV radiation on the electromagnetic spectrum, a lot of individuals are worried that it might be harmful to our eyes in similar ways. Fortunately is that our screens don’t produce nearly as much blue light as the sun, and even though it’s close to the frequency of UV radiation, it isn’t UV radiation.

While you might experience digital eye stress after too much screentime, there is no proof to suggest that it will cause long-term damage to your vision. If eye stress is a problem for you, computer glasses or a screen filter might help, however so does following the 20-20-20 guideline: every 20 minutes, focus on something 20 feet far from the computer for 20 seconds.
Bring Us Your Blue Light Questions

If you have concerns about the effects of blue light, just arrange an eye consultation with us. We can make certain that your eyes are healthy and address any questions you have about digital eye stress or other problems.