Guides
Screen & Digital Eye Comfort
Educational guidance on screen distance, breaks, glare, and digital eye strain myths.
Featured tools
Interactive educational tools related to this topic.
Screen Distance
Estimate ergonomic viewing-distance ranges for monitors and TVs based on size — educational comfort guidance.
Reading Distance
Relate reading distance to diopters educationally (D ≈ 1/f) and understand near-work ergonomics.
Near Vision Test
Explore near reading clarity with an educational near-vision chart and learn why working distance matters.
Symptom Explorer
Educational pathways for common vision symptom patterns — not a diagnostic algorithm or triage bot.
Guides
Educational guidance on screen distance, breaks, glare, and digital eye strain myths.
Digital Eye Strain
Digital eye strain is the cluster of tired eyes, dryness, intermittent blur, and discomfort tied to prolonged screen viewing. AAO computer-usage guidance emphasizes blinks, breaks, ergonomics, and exams—not miracle filters.
Blinking, Screens, and Dryness
Screen staring lowers blink completeness, drying the tear film and fluctuating clarity. Deliberate blinking and surface care matter more than most filter ads admit.
Screen Glare and Reflections
Screen glare from windows and lamps washes contrast and drives squinting. Controlling light geometry often helps more than buying another software filter.
Screen Distance Guide
Screen distance changes focusing demand and posture. Arms-length laptop heuristics and slightly farther desktop monitors are common teaching starting points—not rigid laws.
Visual Breaks and the 20-20-20 Idea
Visual breaks interrupt sustained near focus and reduced blinking. The 20-20-20 idea is a memorable heuristic—useful as a prompt, not a rigid medical prescription.
Blue Light Myths and Facts
Blue light from devices is real physics; many disease-prevention and strain-cure marketing claims are overstated. Separate sleep/circadian preferences from unproven eye-disease promises.
Children and Screens
Children’s screen time intersects with visual habits, outdoor time discussions, myopia research conversations, and routine eye exams. Fear-based blue-light shopping is not a complete plan.
Workstation Vision Setup
Workstation vision setup combines monitor height, distance, lighting, seating, and break habits. Small geometric fixes often outperform accessory stacks.