In brief
Dry eye happens when the eyes do not make enough tears, or the tears evaporate too quickly. It causes discomfort and sometimes blurred vision, and is very common among screen users.
This information is general and does not replace an eye examination or advice from an eye-care professional. If you have a problem with your eyes or vision, please see an optometrist or ophthalmologist.
Common symptoms
- Burning, stinging or a gritty feeling.
- Redness.
- Watery eyes (the eyes may water to make up for dryness).
- Tired eyes or blurred vision that clears when you blink.
- Discomfort with contact lenses.
Common causes
- Long hours on phones, computers and tablets, when we blink less.
- Air conditioning, fans, wind and dust.
- Ageing and hormonal changes.
- Contact lens wear.
- Blocked oil glands in the eyelids.
- Some medicines and medical conditions.
What can help
- Follow the 20-20-20 habit: every 20 minutes, look at something 20 feet (about 6 metres) away for 20 seconds, and blink fully.
- Keep screens slightly below eye level.
- Use lubricating eye drops as advised, preferably preservative-free if used often.
- Apply a warm compress to the eyelids.
- Avoid air blowing directly on your face.
- Drink enough water.
When to see an optometrist
See an optometrist if symptoms last for more than a few days, are getting worse, or come with pain, marked redness or reduced vision. They can find the cause and recommend a suitable treatment.
Frequently asked questions
Why do my eyes water if they are dry?
Dry, irritated eyes can trigger a reflex that produces extra watery tears, which do not lubricate the eye properly.
Can screen use cause dry eye?
Yes. We blink much less when we look at screens, so tears evaporate faster. Regular breaks and conscious blinking help.
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