Bottom line: Clear blue light glasses don't really work!
If you haven't noticed any changes in your eye fatigue or sleep problems even after wearing transparent blue light glasses,
The reason is simple.
Because clear blue light glasses do not block blue light!
ﾠ
Blocking vs. Filtering: The Truth About Blue Light Glasses
Blue light has a wavelength range from 400 nm to 500 nm .
The most harmful wavelengths are 440 nm to 500 nm .
However, the transparent blue light glasses commonly available on the market do not properly block blue light in this wavelength range.
Most transparent blue light Glasses only filter blue light, they don't completely block it .
Filtering is to filter out only a certain amount of light.
It does not completely block the harmful wavelength range of blue light.
Why don't clear blue light glasses work?
Clear blue light glasses do not block blue light above 420 nm.
Most only filter out 30% to 60% of blue light , still allowing most of the harmful blue light to pass through .
Therefore, it is not enough to solve the eye fatigue and sleep problems caused by blue light .
