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Blue Light Blocking

 Blue Light, Computer Glasses and Your Eyes

 

 
It has long been known that light can inhibit the body’s ability to fall asleep, by suppressing the levels of melatonin
in our body, which we need to feel relaxed and go to sleep.
So here is the case for blue light blocking coating on your pc glasses.


 
Did you know that blue light coming from computers, mobiles and led lights around the house can also be contributing to the phenomena?
As our consumption of electronics increases, the increase in exposure to bright light increases. Blue light suppresses melatonin production even more powerfully then other lights. Not only do we lose sleep, have eyestrain, headaches, but it can also lead to
macular degeneration which can lead to a permanent loss in eyesight.


Tired eyes from computer work
Harvard researchersand their colleagues conducted an experiment comparing the effects of 6.5 hours of exposure to blue light to exposure to green light of comparable brightness. The blue light suppressed melatonin for about twice as long as the green light and shifted circadian rhythms by twice as much (3 hours vs. 1.5 hours).
 

In another study of blue light, researchers at the University of Toronto compared the melatonin levels of people exposed to bright indoor light who were wearing blue-light–blocking goggles to people exposed to regular dim light without wearing goggles. The fact that the levels of the hormone were about the same in the two groups strengthens the hypothesis that blue light is a potent suppressor of melatonin. It also suggests that shift workers and night owls could perhaps protect themselves if they wore eyewear that blocks blue light. Inexpensive sunglasses with orange-tinted lenses block blue light, but they also block other colors, so they're not suitable for use indoors at night. Glasses that block out only blue light can cost up to $80.”

At Eyewear Insight, we offer
blue light coating at our regular “straight from the lab pricing” of $17 which you can add to pretty much any style you like. (Cannot be used with Polarized lenses, and some select styles with photochormic coating.) Found in the “addon” section of our site.

Blue light blocking coating for computer glasses


This is a clear coating, unlike the orange coated found in the market. This coating is especially for blocking the blue light and does not block any of the precious red or green lights that we need.

 

So what else is wrong with blue light?

“Blue light has a very short wavelength, and so produces a higher amount of energy. Studies suggest that, over time, exposure to the blue end of the light spectrum could cause serious long-term damage to your eyes.”


blue light blocking - the light spectrum

 

Anything good about blue light?

Yes it is actually quite beneficial in boosting your level of alertness,  it helps with memory and cognitive functioning, as well as regulate your circadian rhythm (while at the same time having a disruptive affect on your sleep cycle)

 

So to the bottom line?

A lot of us…some say 60%..spend more than 6 hours on the a computer or a handheld device. This puts us at a big risk for computer eyes syndrome. You know when you get off the computer and everything looks murky!!

 

So to counteract that purchase glasses that have the blue light coating.

At the very least a pair of sunglasses (though not a great solution as it blocks out a bit of the good light too) worn will help ease the amount absorbed into you eyes.

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