When you look at blue light for a long time the following things will happen:
However, you are not going to die from blue light. Actually, not all blue light is bad.
Blue light controls our mood and energy levels and when we look at blue light we feel more energized.
But I said earlier that you will have less energy so what exactly is the truth?
By looking at blue light you will feel more energized but your body will stop the production of your sleep hormone melatonin and you will not get good night’s sleep.
Not getting enough sleep will cause way more tiredness than the effect of the blue light and looking and blue light is something like drinking a coffee.
When you drink too much coffee you may feel good for a while but then you are going to be twice as drained.
If you don’t already know – not all blue light is harmful.
Look up at the sky – it’s blue. Natural blue light suppresses the production of melatonin, the sleep hormone, which then keeps us awake and alert.
This is the reason why if we artificially stare at blue light at night it’s like we’re getting drunk on coffee and energy drinks and won’t be able to fall asleep.
The two main reasons why we feel eye strain in front of the computer are blue light and glare.
Glare is caused by glossy screens that are not placed correctly according to the light in the room and can cause reflections as well which don’t let the eyes focus properly.
Blue light like we already mentioned suppresses melatonin production and keeps us awake.
Staring at a screen also lowers the blinking rate per minute which can lead to dust in our eyes and dryness.
Both blue light and glare cause unnecessary feedback that enters our eyes and causes pain and headaches.
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CVS is the collective name of all eye-related diseases caused by prolonged computer use.
When you’re sitting in front of the computer you start blinking less, which causes dust to enter the eyes and doesn’t keep the eyes moist enough for proper vision.
This can also lead to blurriness. Artificial tears are not a solution for this as they are just that – artificial, instead you should try forced blinking and yawning.
Long use of digital devices comes with constant focus and refocus of the eyes.
Glare, reflections, looking at things on the side and then looking back at the computer, improper brightness and so on.
All of these can lead to various issues starting from discomfort, eye pain, strain, headaches, glaucoma, cataract, and even blindness.
Like I already mentioned blue light keeps you awake and you can’t fall asleep easily.
Well, when that happens many nights and days in a row that disrupts your natural rhythm.
Going to sleep at 3 am and waking up at 2 pm – that messes up not only your mental state (and your work schedule) but also your body’s normal bodily functions.
It’s scientifically proven that too much exposure to blue light can cause macular degeneration.
This is due to the wave nature of light. Blue light has the shortest wavelength and the highest energy.
This allows it to reach all the way to the inner lining of the eye (the retina) and when it gets there things aren’t pretty.
Blue light with its high energy can damage and deteriorate light-sensitive cells in the retina.
Like previously mentioned, blue light suppresses melatonin secretion which means you won’t be able to fall asleep right away after turning off your device.
This, in turn, leads to wanting to wake up later, sleeping more, and if you aren’t rested enough you will have less energy during the day.
All of this leads to a cursed circle of tiredness during the day and insomnia during the night.
You don’t have to avoid all monitors to protect your eyes.
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2 thoughts on “Blue light Effects”
Good, basic information. The sky is always at least 47% red light, and our eyes were not designed to be looking at pure blue light for many hours per day. See the youtubes of Dr Jack Kruse re: blue light, biohacking, etc. for detailed, scientific information. Also, please note: the correct term is “macular degeneration”. My eye Doctor said there is much concern amongst his peers about many more cases of macular degeneration at younger and younger ages, because it can result in blindness.
So, thank you so much for developing Iris!
Thanks for the comment 🙂