The lenses have a slight yellow tint, blocking blue light without ... wearing a pair of glasses and looking at a color wheel to see if the blue area stays blue or turns gray.

Blue-blocking lenses for prescription glasses have a special coating designed to reduce the amount of blue light passing through the lens, and thus into the eye. But questions have been raised ...

Phone settings let you change your screen to a warmer color ... lenses are overhyped, she values how they get people thinking ...