
RoutineGeneral Eye Health
Subconjunctival Hemorrhage
A bright red patch on the white of the eye from a small surface blood spot.
What is it?
A subconjunctival haemorrhage is bleeding under the clear membrane of the eye, causing a bright red patch on the white of the eye. It looks alarming but is usually harmless and resolves on its own in one to two weeks.
Common symptoms
- A bright red patch on the white of the eye
- Usually painless
- No change in vision
Risk factors
- High blood pressure
- Diabetes
- Blood-thinning medications
- Trauma or vigorous eye rubbing
- Heavy lifting, coughing, or straining
Prevention tips
- Maintain good blood pressure control
- Avoid excessive eye rubbing
- Use blood-thinning medications only as prescribed
- Seek medical evaluation if episodes are recurrent
Treatment overview
Subconjunctival haemorrhage is usually harmless and resolves spontaneously within one to two weeks. Artificial tears may relieve mild irritation. Blood pressure measurement and further evaluation may be appropriate in recurrent cases.
Seek urgent care if you notice
- Sudden vision loss
- Severe or worsening eye pain
Related eye care tips
Have questions about your eyes?
This information is general education and does not replace a professional eye examination. If you are worried about your eyes, book an appointment.