A–Z Glossary

Eye strain

Digital eye strain is eye discomfort from prolonged screen viewing, often involving tired, dry, watery, or blurry eyes and headaches.

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Devices children use explained

Devices children use explained

What counts as a child’s device A child’s device is any digital tool a child uses to watch, listen, communicate, learn, play, create, or be monitored. The most obvious examples are smartphones, tablets, laptops, desktop computers, televisions, and game consoles. Many children also use e-readers, smart speakers, headphones, smartwatches, virtual reality headsets, school-issued Chromebooks, baby […]

Physical and mental effects of screens kids

Physical and mental effects of screens kids

Why screen effects vary from child to child Screen exposure is not a single behavior. Watching a calm educational program beside a caregiver differs from using a device alone late at night, and interactive schoolwork differs from rapidly changing entertainment or prolonged gaming. The child’s developmental stage also matters: infants and toddlers depend heavily on […]