Ophthalmology · UKMLA & AKT
Subconjunctival haemorrhage
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise subconjunctival haemorrhage — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- Bright red patch on the conjunctiva - sharply defined edges, flat
- Asymptomatic in most cases - mild irritation or sensation of fullness possible
- Visual acuity normal - preserved VA distinguishes from sight-threatening red eye
- Pupil reactions normal - normal direct and consensual reflexes
- No discharge - distinguishes from conjunctivitis
- Colour change over time - red → green → yellow, resolves over 1-2 weeks
- Bilateral haemorrhage - raises suspicion of underlying bleeding disorder or systemic cause
Haemorrhage with no visible posterior margin after trauma = red flag for orbital roof or basal skull fracture. Requires urgent ophthalmology referral.
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