The issue with screens is proximity and duration. Phones and laptops sit inches from your face for hours at a time.
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Sunglasses that darken automatically in response to bright sunlight have been available for eyeglasses for 40 years. But adapting this flexibility to contact lenses has proven challenging. Now ...
Screen time has many people asking whether their contact lenses can do double duty by filtering blue light along with correcting vision. The answer depends on the lens, the brand and what you can ...