Screen Time and Eye Health: Protecting Vision in a Digital Age

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We now spend an average of 7+ hours a day looking at screens. The result? A surge in digital eye strain — dry, tired, burning eyes that many simply accept as normal. 👀

Screen time and eye health

What is digital eye strain?

Also known as computer vision syndrome, it includes:

  • Dry or watery eyes 💧
  • Blurred or double vision
  • Headaches and sore neck
  • Difficulty refocusing from near to far

The 20-20-20 rule

Number Meaning
20 Every 20 minutes
20 Look at something 20 feet (6 m) away
20 For at least 20 seconds

Practical tips 👍

  • Blink deliberately — we blink 60% less when staring at screens.
  • Position matters — screen top at or just below eye level, about an arm’s length away.
  • Adjust lighting — reduce glare; avoid screens in dark rooms.
  • Use blue-light filters in the evening 🌙
  • Keep artificial tears handy for dryness.

Children need protection too 🧒

Children’s eyes are still developing. Encourage regular outdoor play — studies link outdoor time with a lower risk of developing myopia (short-sightedness).

When to see an eye specialist

See a doctor if you notice sudden vision loss, persistent pain, flashing lights, or a sudden shower of floaters. These can signal urgent conditions. 🚨

Daqi Hospital’s ophthalmology department offers comprehensive eye examinations. Ask your questions on Health Voice.

Eye care and vision

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