September 26, 2025

One Hour of Smartphone Scrolling Causes Eye Strain

7 minutes

Just one hour of scrolling on your smartphone is enough to trigger measurable eye strain, reducing how often you blink and leaving your eyes dry and tired
Social media reels are harder on your eyes than reading or watching videos because constant brightness changes force your pupils to adjust nonstop
Eye strain builds over time, with the most noticeable discomfort showing up after the 40-minute mark, when blinking patterns become irregular
Nearly all participants in the study reported dryness, fatigue, and blurred vision, proving that the measurable eye changes match real-world discomfort
Simple lifestyle steps like reducing screen time, taking longer breaks, cutting out blue light at night, improving nutrition, and spending more time outdoors protect your eyes from daily screen stress

...more

By Dr. Mercola

4.6

14801,480 ratings

September 26, 2025

7 minutes

Just one hour of scrolling on your smartphone is enough to trigger measurable eye strain, reducing how often you blink and leaving your eyes dry and tired
Social media reels are harder on your eyes than reading or watching videos because constant brightness changes force your pupils to adjust nonstop
Eye strain builds over time, with the most noticeable discomfort showing up after the 40-minute mark, when blinking patterns become irregular
Nearly all participants in the study reported dryness, fatigue, and blurred vision, proving that the measurable eye changes match real-world discomfort
Simple lifestyle steps like reducing screen time, taking longer breaks, cutting out blue light at night, improving nutrition, and spending more time outdoors protect your eyes from daily screen stress

...more