Red and Dry Eyes
Dry eye is one of the common causes of red, gritty and burning eyes. In simple cases preservative-free tear drops bring relief; further treatment may be needed depending on the cause.
Why do redness and dryness go together?
Tears constantly moisten and protect the surface of the eye. When there are too few tears or their quality is poor, the surface becomes irritated, causing redness, grittiness, burning and blurred vision.
The gritty feeling can also trigger reflex watering, so a watery eye can still be a dry eye.
Who is most often affected?
- Older people, especially women after the menopause
- People with diabetes
- Long-term contact lens wearers and heavy screen users
- People in air-conditioned rooms or with poor sleep patterns
- People with eyelid margin inflammation (blepharitis) or certain rheumatic diseases
Treatment and when to see a doctor
In simple cases preservative-free tear drops bring relief. Long-term use of drops containing preservatives can irritate the eye surface.
Blepharitis may need lid hygiene, rheumatic disease may need additional treatment, and advanced cases may benefit from autologous serum drops made from the patient's own blood.
If redness comes with pain, sensitivity to light or reduced vision, see an eye doctor without delay.
Frequently asked questions
Can a watery eye be a dry eye?
Yes. The gritty feeling caused by dryness can trigger reflex watering.
Can artificial tears be used long term?
For long-term use, preservative-free drops are preferred.
When is a red eye urgent?
If there is pain, sensitivity to light or reduced vision, see an eye doctor straight away.
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This page is for general information only and does not replace a medical consultation. Anatomy and treatment plans differ from patient to patient.