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Scrolling Reels for just 1 Hour Can Harm Your Eyes: Study Reveals Hidden Dangers | Health news
Samira Vishwas | August 20, 2025 9:24 AM CST

New Delhi: Facing Digital Eye Strain? According to a study, just one hour of scrolling social media reels on smartphones can cause eye fatigue.

The study published in the Journal of Eye Movement Research Found that it is not just the time spent on digital devices but also the type of content being used that can cause the condition.

“Social Media Content Causes Greater Pupil Fluctations Than Reading or Watching A Video,” said the Researchers from SRM Institute of Science and Technology.

The team stated that “Privlonged Smartphone Use, Exceding 20 Minutes at a Time, Can Lead to Physical and Mental Health Issues, Including Psychophysiological Disordersrs”.

Digital devices and their Extended Exposure to Blue Light Cause Digital Estrain, Sleep Disorders, and Visual- Problems.

To examine the impact of 1 hour of smartphone usage on Visual Fatigue Among Young Indian Adults, The Researchers Developed A Portable, Low-Cost System that Measured Visured Visual activity.

The system measured blink rate, inter-blink interval, and pupil diametre. Measured eye activity was recorded during 1 hour of smartphone usage of e-book Reading, Video Watching, and Social-Media Reels (Short Videos).

“Social Media Reels Show Increased SCREEN VARIANS, Affecting PuPil Dilation and Reduction Blink Rate Due to Continuous screen brightness and intensity changes. Inter-BLINK Interval or Pupil Dilation Could Lead to Visual Fatigue, “The Researchers Explained.

Regarding Discomfort, 60 per cent of participants experienced mild to Severe Discomfort after ProLonged Smartphone Use, Including Symptoms Like Eyestrain, NECK PAIN, NACK PAIN, And Hand Fetigue.

Furthermore, 83 per cent of the Respondents Indicated Experience Some Form of Psychophysiological Disorders, Such as anxiety, Sleep Districts, or Mental Exhaust. To reduce discourage, 40 per cent of participants reported taking precattions, such as using blue light filters or enabling dark mode settings to reduce the impact of screen extra


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