Anterior Segment
Subconjunctival Haemorrhage
Also known as: subconjunctival haemorrhage, subconjunctival hemorrhage, hyposphagma, blood patch on eye, bright red patch eye, painless red patch
Filed as: Routine
Source-cited from the record's own evidence list. Clinical content programme led by Dr Ankit Mathur, PhD, Grad Cert Ocu Thera, B.S. Optom. How the clinical content is governed
Clinical decision support only
OptoGuide™ supports professional judgement and does not diagnose or replace clinician responsibility.
Overview
A common, benign condition presenting as a painless red patch on the white of the eye, typically resolving spontaneously.
Recognition
Symptoms: what patients report
- Painless red patch on the eye
- Often asymptomatic and noticed by others
Signs: what the examination shows
- A sharply demarcated, bright red patch of blood beneath the bulbar conjunctiva
- Normal visual acuity
- No discharge
What OptoGuide™ covers for subconjunctival haemorrhage
- Pattern reasoning: what this combination of findings points to, and its differentiators
- Don't-miss risks and escalation triggers
- Management tiers with linked Australian therapeutics
- Referral urgency, specialty, and letter drafting
Sources
- Sub-conjunctival haemorrhage — College of Optometrists CMG
- Anterior Eye Disease and Therapeutics A-Z (Bruce & Loughnan) — standard reference text
- High Risk and Low Prevalence Diseases: Open Globe Injury. Pelletier J, Koyfman A, Long B. The American Journal of Emergency Medicine. 2023;64:113-120.
- What’s in a name? Sentinel injuries in abused infants. Henry MK, Wood JN. Pediatric Radiology. 2021;51(6):861-865.
- Association between subconjunctival hemorrhage and hemorrhagic disorders: a nationwide population-based study. Hong IH, Cho BJ, Choi SH. Scientific Reports. 2023;13(1):22237.
Standard texts: Kanski's Clinical Ophthalmology: A Systematic Approach, The Wills Eye Manual, Oxford Handbook of Ophthalmology, Oxford American Handbook of Ophthalmology, Signs in Ophthalmology: Causes & Differential Diagnosis.