Digital screen use impacts student health and learning

The increasing amount of time students spend on digital devices is raising concerns regarding health and educational outcomes. According to the Department of Health and Human Services, teenagers spend between seven and nine hours daily on screens for school and leisure, with many exceeding ten hours. This extended exposure has led to a rise in digital eye strain, clinically known as Computer Vision Syndrome (CVS), which causes symptoms such as dry eyes, blurred vision, and headaches.

To address these issues, the technology industry is developing hardware and software solutions. Some manufacturers are engineering displays to reduce flicker and limit harmful blue light wavelengths, while others are implementing software-based adaptive brightness and dimming.

In addition to technological interventions, some parents are adopting behavioral strategies to manage screen addiction. Psychiatrist Richard Wadsworth has gained attention for using a structured checklist of tasks that his children must complete, such as physical exercise, before they are permitted access to phones or tablets.