Screen Time, Smartphones & Eye Fatigue in Older Adults
Published by the Primary Health Awareness Trust
Whether it’s checking the news, video calling family, or scrolling through photos, screen time is now part of daily life — even for those over 70.
But prolonged use of smartphones, tablets, or computers can cause digital eye strain — also known as computer vision syndrome.
In older adults, this can lead to tired eyes, headaches, blurry vision, and disrupted sleep.
This guide explores how to reduce these effects and make screens more comfortable to use at any age.
📱 What Is Digital Eye Strain?
When we stare at screens for long periods, we blink less, focus more intensely, and expose our eyes to blue light. This causes:
- Eye dryness or irritation
- Blurry or double vision
- Neck and shoulder tension (from posture)
- Increased light sensitivity
- Trouble falling asleep at night
Digital strain doesn’t usually cause permanent damage, but it can seriously impact daily comfort — especially if vision is already changing with age.
👓 Top Tips to Reduce Eye Strain
- Follow the 20-20-20 Rule: Every 20 minutes, look 20 feet away for 20 seconds
- Adjust font size: Make text large and easy to read
- Increase screen contrast: Especially for white-on-black or low light use
- Use night mode: Reduces blue light on smartphones and tablets
- Use reading glasses: Even slight magnification can reduce strain
- Keep screens clean: Smudges increase glare and make focusing harder
🔧 How to Set Up Devices for Better Vision
Most smartphones and tablets now have built-in accessibility features to support users with sight changes. Explore these:
- Text size & bold settings – Found in accessibility options
- Zoom gestures – Use two fingers to enlarge any screen
- Dark mode – Less glare, especially at night
- Voice assistants – Siri, Alexa or Google Assistant can read messages aloud
- Blue light filter – Use “Night Shift” or “Eye Comfort Mode” after 6pm
Tip: Ask a grandchild, carer, or community group for help setting these up — it only takes minutes but can transform your screen experience.
🩺 When to See a Professional
- Headaches that worsen with screen use
- Vision that stays blurry after resting
- Discomfort not improved with glasses
- Difficulty focusing between distances
Regular NHS eye tests (free after age 60) can help detect underlying issues made worse by screen use.
🧠 Surprise Cognitive Prompt:
“Design your dream screen setup: what would make reading easier, more joyful, and less tiring?”
This creative thinking exercise helps improve attention, personal awareness, and digital confidence — especially in older users adapting to tech.
Download it here or ask about it during our monthly Zoom sessions on digital wellbeing.
🔁 Next in the Series:
Eye Exercises & Visual Stimulation for Cognitive Resilience