The lenses also help filter blue-violet light* from the sun and artificial sources, including digital devices.
Don't just see, See Beautifully™. Multi Focus™ reading glasses feature three strengths in one lens: The bottom third has the highest strength (and the power you choose) for reading The middle third has a slightly reduced magnification for computer use The top third has about half the strength of the bottom, for clarity when interacting with someone nearby (sitting across a desk, for example) This innovative Multi Focus™ lens technology means no more taking your readers off and putting them back on to see things clearly at different distances.