Hidden camera investigation reveals 'scary' and 'misleading' sales pitches to sell blue light lenses

A hidden camera investigation by CBC’s Marketplace found opticians and sales associates at some of Canada’s largest optical chains making “misleading” health claims about blue light from digital screens, but experts say there is no scientific evidence that blue light from computer monitors and screens is harmful.

from CBC | Health News https://ift.tt/2O8HO7K