Article by Dr. Intisar Khalafallah Awad, Ophthalmologist Specialist at UMC Victoria Hospital
In today’s digital age, screens are part of everyday life. Whether working on computers, scrolling through phones, attending online meetings, or watching television, many people spend hours looking at screens. While technology has made life easier, prolonged screen exposure can affect eye health and overall wellbeing.
How Screen Time Affects the Eyes
Extended use of digital devices can lead to Digital Eye Strain (Computer Vision Syndrome). This occurs when the eyes work harder to focus on screens for long periods.
Common symptoms include:
- Eye fatigue or tired eyes
- Dry, irritated, or watery eyes
- Blurred vision
- Headaches
- Sensitivity to light
- Neck and shoulder pain
- Difficulty focusing after screen use
One major reason is that people blink less while using screens. Normally, humans blink about 15–20 times per minute, but screen use may reduce this significantly, causing dryness and discomfort.
The Impact of Blue Light
Digital screens emit blue light, which may contribute to eye discomfort and interfere with sleep patterns, especially when screens are used at night. Exposure before bedtime can reduce melatonin production, affecting sleep quality.
Although normal screen exposure has not been proven to cause permanent eye damage, limiting excessive use is still important for comfort and healthy sleep habits.
Tips to Protect Your Eyes During Screen Time
1. Follow the 20-20-20 Rule
Every 20 minutes, look at something 20 feet away for at least 20 seconds. This helps relax the eye muscles and reduce strain.
2. Blink More Often
Consciously blinking keeps the eyes moist and prevents dryness.
3. Adjust Screen Position
- Mobile phone screen (30 – 40cm away)
- Other screens at arm’s length (about 50–70 cm away)
- Position the screen slightly below eye level
- Reduce glare from windows and lighting
4. Adjust Brightness and Text Size
Match screen brightness with room lighting and enlarge text when necessary to reduce eye effort.
5. Limit Screen Time Before Bed
Avoid screens at least 1–2 hours before sleep to promote better rest.
6. Take Regular Breaks
Stand up, stretch, and move around every hour, especially for people working long office hours.
7. Use Proper Lighting
Avoid working in very dark rooms or with excessive glare on screens.
8. Stay Hydrated
Drinking enough water supports tear production and helps reduce dry eyes.
Children and Screen Time
Children are increasingly exposed to phones, tablets, and computers. Excessive screen use may contribute to eye strain and reduced outdoor activity.
Children should be encouraged to spend atleast 2 hours outdoors daily whenever possible. Outdoors may help reduce the risk of developing short sightedness (Myopia)
Recommendations include:
- Encourage outdoor play
- Limit recreational screen time
- Ensure good viewing distance
- Schedule regular eye check-ups
When to See an Eye Specialist
Seek professional eye care if you experience:
- Persistent headaches
- Continuous blurred vision
- Eye pain
- Double vision
- Difficulty seeing distant objects
- Ongoing dryness despite rest
Regular eye examinations help detect problems early and maintain healthy vision.
Conclusion
Digital devices are part of modern life, but eye health should not be overlooked. Practicing healthy screen habits, taking breaks, and having regular eye check-ups can help protect vision and reduce digital eye strain.
Healthy eyes support productivity, learning, and quality of life. Protect your vision today for a clearer tomorrow.
At UMC Victoria Hospital, our mission remains clear — to deliver world-class eye care “Where Care Comes First.” Together, let us commit to preserving the gift of sight for all.