DiscoverDr. Joseph Mercola - Take Control of Your HealthOne Hour of Smartphone Scrolling Causes Eye Strain
One Hour of Smartphone Scrolling Causes Eye Strain

One Hour of Smartphone Scrolling Causes Eye Strain

Update: 2025-09-26
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  • 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
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One Hour of Smartphone Scrolling Causes Eye Strain

One Hour of Smartphone Scrolling Causes Eye Strain

Dr. Joseph Mercola