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13th February 2025
Overview of red eye
Red eye is a common ophthalmological presentation, with urgent causes requiring immediate referral to ophthalmology. The following aetiologies will be discussed:
| Urgent causes of red eye | Non-urgent causes of red eye |
|---|---|
| Acute closed-angle glaucoma (see later section) | Blepharitis |
| Orbital cellulitis | Conjunctivitis |
| Infectious keratitis | Episcleritis |
| Anterior uveitis (see later section) | Subconjunctival haemorrhage |
| Scleritis |
Table 1 Aetiologies of red eye
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