DO AHYAA BLUE LIGHT GLASSES WORK ?
While there may not be level 1 evidence based medicine supporting the claim blue filtering lenses reduce eyestrain,there are many patients who truely notice improved visual comfort while wearing blue blockers.Heavy screen users may enjoy the filter and find it reduces digital eye strain.
And the claim that blue blockers reduce eye strain is supported by theory and our current undrstanding of optics and the physiology of the eye.
Blue light scatters the most (compared to the other wavelenghth of visible light ).Because of this,it takes more effort for your eye to reconcile an image being created with lots of blue light .Reducing the blue light should relieve that extra effort required by the eye,reducing eye strain.
More research is needed in this area to truly undrstand the efficancy blue filtering to truly undrstand the efficancy blue filtering lenses have on reducing eye strain.