New research suggests that dim indoor lighting, not screens, may trigger the global myopia epidemic that's expected to affect nearly half of the world's population by 2050.

It’s not just the phone, it’s the lighting. Scientists have found a new biological link between dim indoor habits and the global nearsightedness epidemic.

Outdoor lighting makes it possible for humans to safely live their lives well after sunset. But the excessive use of illumination is turning skies once dark enough to see thousands of stars into a ...