Did you know blue light-blocking contact lenses exist? What it means for your eyes and screen time

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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Smartphones May Affect Sleep—but Not Because of Blue Light

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...