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I work in the eye care field and sell the blue light coatings to customers. From experience the overall lens has a blue almost purple hue to it when you move the lens from side to side. I can see it but some customers notice it as well I mean very few do which bothers them but not many. Also as someone stated above it does show a slight yellow tinge in the lens which is unnoticeable to many. The lens itself does get rid of UV and blue light coming from screens, tablets and phones and over all is better for the eye. A lot of companies have blue light filter lenses ie Nikon, Essilor, lens crafters ect...just depends on what place will charge you the most...
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